Human error caused the Alton Towers rollercoaster crash in June that seriously injured five people, the Staffordshire theme park has said.

Two women - Victoria Balch and Leah Washington - had legs amputated after the Smiler ride hit an empty carriage on 2 June.
Staff misunderstood a shutdown message and wrongly restarted the ride, an investigation by the park confirmed.
No technical or mechanical issues were found with the ride itself.
The ride, which has been closed since the crash, will reopen next year with improved safety measures.
For updates on this and more stories from Stoke and Staffordshire
"A ride shutdown message was misunderstood by staff at the ride," an Alton Towers spokeswoman said.
"This led to a decision to manually restart the ride, overriding the control system without appropriate safety protocols being followed correctly."
A total of 16 people were injured when the carriage they were in collided with an empty one that had come to a halt ahead of them.
Merlin Entertainment, which owns Alton Towers, previously said all 16 would receive compensation.
Four people sitting in the front row were among those most seriously hurt.
Ms Balch, 20, from Lancashire, had six rounds of surgery in a bid to save her leg before needing an amputation.
Ms Washington, 17, from Barnsley, also had one of her legs amputated and her 18-year-old boyfriend Joe Pugh shattered his knees.
Daniel Thorpe, 27, from Buxton in Derbyshire, was treated for a collapsed lung and lower leg injuries.
Another passenger Chanda Chauhan, 49, from Wednesbury, had surgery after suffering internal injuries.
The Health and Safety Executive said its own investigation was "still ongoing".
Alton Towers said it had followed "standard HR procedures and taken the appropriate action" when dealing with the staff whose errors caused the crash.
A spokeswoman said: "The outcome of this however remains a private matter between us and any individual concerned."
Merlin Entertainments said significantly lower numbers of visitors to Alton Towers over the summer had prompted a restructuring of the business which could see 190 job losses following an 11.4% fall in revenues.
When the Smiler reopens next year, it will feature an additional level of authorisation so no manual override can happen without a senior member of staff, the theme park said.
"We are confident that lessons have been learned and that appropriate action has been taken to address all the issues raised by our investigation."


Few British legal cases in recent years have proved as controversial or emotionally charged as that over the fate of Charlie Gard, the 11-month-old baby who died on Friday after a lengthy battle over his medical treatment.

During the many hours of legal debate in court, Katie Gollop QC, who led Great Ormond Street's legal team, described the case as "sad", but not "exceptional".
She was wrong. The case, which saw Charlie's parents take on the world-renowned hospital in the courts, was one of those rare cases that transcend the cut-and-thrust of legal argument.
Its impact reverberated around the country and the rest of the world, prompting protests on the streets, a mass outpouring of emotion on social media, the vilification of one of the most famous hospitals in the world and the intervention of both the Vatican and US president.
In doing so, it made us question the role of the parent, the motives of doctors and - as always in this digital age - wonder about the ever-growing influence of the internet. How did it come to this? And what does it tell us about society?
Great Ormond Street Hospital (GOSH) is perhaps the most respected and well-known children's hospital in the world. It has been synonymous with excellence ever since it was founded in the 1850s with patients from all over the world now being sent there for pioneering treatment.
And yet in the course of this case it found itself under attack with some staff reporting they had been victims of "vile" abuse and threats (Charlie's parents, Chris Gard and Connie Yates, also reported that they had been the target of abuse on a daily basis.)
One of the problems the hospital faced, particularly as the case developed and the parents received more media attention, was that it simply could not win.
While Charlie's parents gave television and newspaper interviews and made pleas on social media, GOSH was left to rely on media statements and court papers to explain its position. The hospital said it was not possible to give Charlie the non-invasive treatment - a powder that could be added to his food - that his parents felt could help him in his battle with mitochondrial depletion syndrome, a condition which causes progressive muscle weakness and brain damage.
Rational, scientific logic was never going to win hearts and minds against the raw emotion of parents trying to do everything they could for the severely ill baby.
Should more have been done by the world of medicine? As the case developed, GOSH started publishing more details about the case and its position.
But Prof Uta Frith, an expert in cognitive development at University College London, wonders if there is a lesson here, arguing science cannot be entirely stripped of its emotional context.
"We can never be 100% certain about our facts and theories. Emotion, which is utterly certain, wins in comparison.
"However, scientific reasoning cannot be completely stripped of emotion. Perhaps this is an asset we need to cultivate more. Reasoned evidence needs champions to engage the hearts of people."
But the case - and its importance - also comes down to a dilemma that becomes more acute as medicine develops. At what point is it appropriate not to treat patients and allow them to die?
These are discussions that go on every day in hospitals - and the overwhelming majority are resolved without major dispute.
Patients coming to the end of life - both the elderly and the young - are now routinely encouraged to discuss advanced care plans setting out how much they want doctors to do when they get closer to death. These plans cover everything from when it is appropriate to resuscitate to when treatment should be withdrawn and a patient moved on to palliative care to help them die with dignity.
Of course in Charlie's case, because he was a baby, this was simply not possible. Instead, he was kept alive on a ventilator while his parents and doctors took to the courts.
The medical profession - bound by the basic tenet of medicine "do no harm" - felt it was in his best interests to let him die with dignity rather than have an experimental treatment that they believed would do him no good. In court they argued he had "no quality of life and no real prospect of any quality of life".
But there is also an ethical dimension to this. Are doctors the right people to determine what constitutes "quality of life"? Do we put too much emphasis on their opinion?
It is a point made by Prof Julian Savulescu, an expert in ethics at Oxford University. He believes Charlie's parents should have been allowed to take him to the US earlier in the year - even with the low odds that the treatment would have worked - given that they had raised Â£1.3m themselves.
He says GOSH - and the doctors the hospital consulted - made a "value judgement" that was reasonable to disagree with.
"The state should not have to pay for expensive experimental treatment with low prospect of success, but Charlie's parents have raised the funds," he says. "Charlie should have been allowed to go straight away - and saved hundreds of thousands of pounds of British taxpayer funds which have been used to provide months of intensive care.
"This is not a religious or right-to-life argument or an argument based on compassion. It's a secular ethical argument about the extreme complexity of judging someone's life to be not worth living."
But that brings us on to one of the key arguments put forward by Charlie's parents during the hours of legal discussion - the rights of parents to make decisions for their children.
They believed it should have been up to them to decide what was best for their son. But this is not what the law says.
The 1989 Children's Act, which was introduced following a child abuse scandal in Cleveland, makes it clear that where a child is at risk of harm the state can and should intervene.
Subsequent legislation has followed and a framework has been created whereby the state has been emboldened to challenge the view of parents where they believe children's best interests are not being served.
This sees doctors oppose the decision of parents who are Jehovah's Witnesses and refuse blood transfusions for their children.
The law is also used by councils to take children they believe are at risk into care.
Of course, proving someone is at risk or can be helped by medical treatment is much easier to do than proving a treatment is no longer in the best interests of a child when the parents disagree.
But what was often overlooked in the Charlie Gard case was that it wasn't just the doctors against the parents. Charlie also had an independent guardian who agreed with the hospital.
Daniel Sokol, a medical ethicist and barrister, says the case has shone a light on this issue. "It reminds us that the rights of parents over their children are not absolute. They are limited by what is in the best interests of the child."
But he says it is interesting that in the US, which played such a key role through the intervention of doctors who said they would be prepared to treat Charlie, and because of President Donald Trump's offer of help, the rights of parents to decide what is best are much more enshrined.
"The wishes of parents and 'surrogates' generally carry more weight, which is why many US commentators have expressed surprise at the hospital's handling of this case," he says.
"For them, the doctors should do what the parents want."
It's fair to say this case simply would not have played out the way it did in the pre-internet age. It was with the help of social media and crowd funding that Charlie's parents were able to raise the funds for him to be treated in the US in the first place.
And it was via the internet that the parents were able to make a video appeal - just at the moment that it looked like Great Ormond Street would remove life support - to be given longer to say goodbye.
A week later the Vatican and Donald Trump intervened and the case ended up back in court. This time the issue was whether new evidence about the treatment warranted a re-think of the ruling that he should be allowed to die.
Mr Sokol says the influence of the internet was "remarkable". "Through the internet, in particular social media, the family obtained an enormous following, support from influential persons and vast amounts of funding.
"The family can find doctors, on the other side of the world, who will support their case."
Indeed, if there is to be one overriding legacy of the Charlie Gard case it is likely to be related to this.
There is already a long-term trend towards greater scepticism of medical opinion. Coupled to the power of the internet this could create an environment whereby doctors find their decisions increasingly challenged.
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On Wednesday, EE mobile phone users get their last ever Orange Wednesday deal, letting them claim two cinema tickets for the price of one.

The company behind the phone operators announced last year that it was ending the promotion because its customers' "viewing habits had evolved".
It promises to have another package to offer soon.
But there was speculation that the company couldn't reach a commercial deal with a cinema chain.
In a statement issued in December, EE said: "Orange Wednesday launched over a decade ago and at its peak was a massive success and an iconic promotion.
"After 10 great years our brand has changed and our customers' viewing habits have also evolved so it's time to move on.
"That's why the final credits will roll for Orange Wednesdays at the end of February 2015. We're working on new customer entertainment rewards and we'll provide more detail soon."
2013's box office attendance was the lowest in 20 years, according to Rentrak.
Cinemas in the UK and Ireland saw box office takings drop 2.9%, or around Â£34 million, from 2013 - the most significant change since 1991.
Blame, in part, was being directed at a lack of Hollywood blockbusters on screens that year.
But it was also put down to the increasing cost of a ticket and people downloading films and box sets at home on a tablet, TV or phone.
Sam Claflin, who has appeared in Pirates of the Caribbean and stars in the Hunger Games movie franchise, said the end of the deal could "potentially" have an impact on box office figures.
"As much as I've never been with Orange mobiles, it's never really affected me personally," he says.
"But as a film buff, I don't feel that I have kind of stopped going to the cinema personally.
"I think you only have to look at the outstanding British film nominations [at the Baftas] to realise that there's such a vast range of different genres that are being made now. From Under the Skin to Paddington, it's such an incredible feat.
"And I think, people are being more creative and there are really, really interesting projects out there.
"It is a shame that people aren't going to see them I suppose as much in the cinema because that's the real experience of film."
But Stephen Fry says it's not as simple as people being turned off film and brands the decline as "sad".
"I don't know whether one can factor in the figures for those who wait in order to watch Netflix, iTunes and other such downloads.
"Because I think that's really on the up enormously and the passion for cinema and for movies is the greatest I think that it's ever been.
"So the fact that it's not reflected in box office returns is sad, because I think filmmakers and everyone like to see their movies watched in proper, big, big cinemas.
"Indeed Imax and funnily enough, you get things like Game of Thrones being shown in Imax cinemas.
"It's disappointing but actually that's bound to happen but over a longer period I think. I think you'll find that cinema attendance is still pretty good."
And he's not wrong. 2014 did mark the fifth consecutive year that the film industry exceeded the Â£1.1 billion mark.
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Turkey has bombarded so-called Islamic State (IS) targets across the border in northern Syria ahead of an expected ground attack on an IS-held town.

Some 1,500 Turkish-backed Syrian rebels have also gathered in the Turkish city of Gaziantep, poised for an offensive to drive IS out of Jarablus.
Turkey has also shelled Syrian Kurdish forces nearby, apparently to deter them from taking Jarablus themselves.
Gaziantep was hit by a suicide bombing on Saturday which killed 54 people.
The BBC's Mark Lowen in Gaziantep says the attack on a wedding in the city, blamed on IS, may have been  spurred by reports of the imminent Syrian rebel offensive.
More victims of the blast are being identified and our correspondent says the wave of bombings in Turkey could intensify as the country becomes ever more embroiled in the Syrian war.
Turkish Foreign Minister Mevlut Cavusoglu has said that IS should be "completely cleansed" from areas in northern Syria near its border.
Turkish forces have been exchanging shellfire with IS positions in the Jarablus area since Monday.
However, Turkey is also wary of moves that might bolster Syrian Kurdish forces, known as the YPG, which it views as an extension of the Kurdistan Workers Party (PKK), a Turkish-Kurdish rebel group fighting for autonomy since the 1980s.
On Monday, Turkey shelled YPG positions near Manbij, a town they took from IS this month.
The 1,500 fighters poised to enter Syria from Gaziantep are believed to be Turkish-backed Syrian rebels. A senior rebel official quoted by Reuters said they were fighting under the banner of the Free Syrian Army.
The identity and motive of the suicide bomber who attacked the wedding party have yet to be revealed.
Soon after the attack, President Recep Tayyip Erdogan said IS was the likely perpetrator but Prime Minister Binali Yildirim said on Monday that investigators actually did "not have a clue".
He downplayed earlier reports that the attacker was between 12 and 14 years old, saying this could not be confirmed.
The pro-Kurdish Peoples' Democratic Party (HDP) said the wedding was for one of its members, and IS have targeted Turkish Kurds in the past.
Many of the victims were children - the two youngest were four years old.
Sixty-six people are still in hospital, 14 of them in a serious condition, Turkey's Dogan news agency reported.
A disproportionately large number of women and children were killed in the attack because it targeted henna night, a part of the celebration attended mainly by women and children, says BBC Monitoring's Turkey analyst Pinar Sevinclidir.
Syrian government forces are not directly involved in the battle for the border at Jarablus, having gradually lost ground in the north over more than five years of civil war.
Turkey's long-time position has been that President Bashar al-Assad must be ousted as a condition for peace in Syria.
However, Prime Minister Yildirim acknowledged this week that he was one of the "actors" and  suggested he could play a role in an interim leadership.


International experts have been asked to review changes to the Welsh education system.

Education Secretary Kirsty Williams has invited the Organisation for Economic Co-operation and Development (OECD) to assess whether Welsh Government reforms are "on track".
A previous report by the OECD said the government lacked a long-term vision for education.
It comes ahead of the OECD-run Pisa test results in December.
The performance of Welsh pupils in these international tests has fallen short of results in other parts of the UK.
Ms Williams has already outlined how the Welsh Government plans to reform teacher training, introduce a new school curriculum, support poorer students and secure additional resources for school improvements.


Truckers sounded their horns across Poland as the first victim of the Berlin lorry attack, driver Lukasz Urban, was buried in his village.

Polish President Andrzej Duda and a German diplomat joined Mr Urban's family, friends and neighbours in Banie, near the border with Germany.
Mr Urban was shot by the attacker, who hijacked his lorry to kill 11 others and injure 48 at a Christmas market.
An autopsy report is not expected until early next month.
The assailant, a failed Tunisian asylum seeker who had pledged allegiance to so-called Islamic State, was shot dead by police in Italy days after fleeing Germany.
A presidential spokesman said earlier that President Duda would attend the funeral to express his "huge respect for Lukasz Urban who, in the eyes of many Poles is definitely a hero, a courageous person", the Associated Press news agency reports.
A letter from Polish Prime Minister Beata Szydlo was read out in which she described her "great pain and sadness" and expressed her sympathy with the victim's family.
"Poles have fallen victim to terrorist attacks carried out by Islamic fundamentalists but the tragedy that happened in Berlin is unique when it comes to the ruthlessness and cruelty of the perpetrator,'' she added.
Polish truckers stopped their vehicles to show solidarity with their dead colleague, with some 120 expected to converge on Banie later on Friday.
Family member Zofia Zurek remembered a "great guy" who had taken "excellent care of his family".
"We recognised his truck on TV, we knew it was him," she told AFP. "But until the body was identified, we had hope."
A bishop, Henryk Wejman, described Mr Urban as a man who had been open to others and conscientious in his work.
As Mass was ending, AP adds, President Duda bowed his head before the white coffin before approaching Mr Urban's wife and teenage son, then whispering to them, shaking their hands and kissing the wife's hand.


A former special constable who groomed and engaged in sexual activity with a child has been jailed for five years.

America Luke Richardson sent about 4,000 messages to a 14-year-old girl from Essex and met her in a hotel, Greater Manchester Police (GMP) said.
The 22-year-old had previously been dismissed by the force after he stole uniform and visited schools without authorisation.
Richardson, of Salford, was sentenced at Manchester Crown Court.
He was also given a sexual harm prevention order and will be on the sex offenders' register for life.
He admitted six counts of sexual activity with a child, one of grooming and one of taking indecent photographs of a child.
GMP suspended Richardson in January 2014 after finding he had "used his role inappropriately" while entering a school without authorisation on an independent patrol.
But, after removing his uniform and warrant card from him, Richardson was again found to have gone to a sixth form college while wearing police uniform.
On searching his home, officers found a large quantity of police uniform to the value of Â£970 and arrested him on suspicion of theft.
Subsequent allegations of inappropriate contact with children prompted a new investigation in September 2015.
Richardson's confiscated phone and computer revealed 4,000 messages had been sent to a 14-year-old girl in Essex.
She revealed they had met up in a hotel booked by Richardson.
He was then charged with a number of sexual offences and remanded in custody before being formally dismissed in April.
Supt Mark Kenny said: "I am pleased that America Luke Richardson is now off the streets and unable to harm any more young girls.
"We are continuing to investigate the possibility that Richardson may have more victims and we are appealing for anyone who may have been approached inappropriately by him online, or in person, to come and speak to police."


Leeds United came from behind to see off League Two Newport County in convincing fashion in the Carabao Cup.

The home side won thanks to an impressive hat-trick from Kemar Roofe while substitute Samu Saiz and Ronaldo Viera also found the net.
Skipper Joss Labadie had given the Welsh side a surprise lead on 33 minutes following a mistake by home goalkeeper Rob Green.
Newport started the game brightly and were rewarded with Labadie's opener.
But just before half-time Leeds were level when Newport failed to deal with a corner and Roofe was alert to slot the ball home.
The Championship club wasted no time after the break with Roofe volleying home his second before executing a spectacular bicycle-kick to complete his hat-trick.
Despite a battling showing from the visitors, Saiz came off the bench to find the net on 78 minutes and, with two minutes left, a Viera shot meant Leeds go into the third round draw.
Newport manager Mike Flynn told BBC Radio Wales: "I thought it was a bit flattering for Leeds. But you could see the quality the Championship side have got where they take their chances and anticipate things in the box.
"There were some things that concerned me and I've just said that to the players.
"But we played some fantastic football and created a lot of good chances and you need to be prepared and put your neck on the line and get on the end of one."
Match ends, Leeds United 5, Newport County 1.
Second Half ends, Leeds United 5, Newport County 1.
Mark O'Brien (Newport County) is shown the yellow card for a bad foul.
Samuel Sáiz (Leeds United) wins a free kick in the attacking half.
Foul by Mark O'Brien (Newport County).
Foul by Madger Gomes (Leeds United).
Ben White (Newport County) wins a free kick in the defensive half.
Ezgjan Alioski (Leeds United) wins a free kick in the attacking half.
Foul by Frank Nouble (Newport County).
Liam Cooper (Leeds United) is shown the yellow card for a bad foul.
Foul by Liam Cooper (Leeds United).
Robbie Willmott (Newport County) wins a free kick on the right wing.
Goal!  Leeds United 5, Newport County 1. Ronaldo Vieira (Leeds United) right footed shot from the centre of the box to the bottom left corner. Assisted by Liam Cooper.
Corner,  Leeds United. Conceded by Ben White.
Attempt blocked. Stuart Dallas (Leeds United) right footed shot from outside the box is blocked.
Attempt saved. Ezgjan Alioski (Leeds United) left footed shot from a difficult angle and long range on the right is saved in the centre of the goal.
Ezgjan Alioski (Leeds United) wins a free kick on the right wing.
Foul by Mickey Demetriou (Newport County).
Attempt saved. Stuart Dallas (Leeds United) right footed shot from the centre of the box is saved in the centre of the goal.
Attempt blocked. Mickey Demetriou (Newport County) right footed shot from the centre of the box is blocked.
Attempt missed. Frank Nouble (Newport County) left footed shot from the left side of the box misses to the right.
Attempt missed. Joe Quigley (Newport County) right footed shot from the right side of the box is close, but misses to the left.
Corner,  Leeds United. Conceded by Robbie Willmott.
Attempt blocked. Madger Gomes (Leeds United) left footed shot from outside the box is blocked.
Attempt missed. Stuart Dallas (Leeds United) right footed shot from the left side of the box misses to the right.
Matthew Dolan (Newport County) is shown the yellow card for a bad foul.
Madger Gomes (Leeds United) wins a free kick in the defensive half.
Foul by Matthew Dolan (Newport County).
Goal!  Leeds United 4, Newport County 1. Samuel Sáiz (Leeds United) right footed shot from outside the box to the bottom left corner.
Attempt saved. Matthew Dolan (Newport County) left footed shot from long range on the right is saved in the centre of the goal.
Stuart Dallas (Leeds United) is shown the yellow card.
Foul by Ronaldo Vieira (Leeds United).
Joss Labadie (Newport County) wins a free kick on the right wing.
Substitution, Leeds United. Ezgjan Alioski replaces Kemar Roofe.
Luke Ayling (Leeds United) wins a free kick on the left wing.
Foul by Joe Quigley (Newport County).
Attempt missed. Mickey Demetriou (Newport County) header from the centre of the box is too high.
Mateusz Klich (Leeds United) is shown the yellow card for a bad foul.
Foul by Mateusz Klich (Leeds United).
Frank Nouble (Newport County) wins a free kick on the left wing.


Glasgow band Travis have been honoured for their contribution to Scottish music over the last two decades.

The band, who released their first album in 1997, won the Outstanding Contribution to Music prize at the 18th Scottish Music Awards in Glasgow.
They also performed at the ceremony, which raises money for music therapy charity Nordoff Robbins.
Other winners included Glasgow alternative rock band Twin Atlantic, who were named best UK band.
Biffy Clyro, who formed in Kilmarnock, won the best live act category, while KT Tunstall collected a song-writing award at the ceremony which was held at Glasgow's Old Fruitmarket.
Donald MacLeod, chairman of Nordoff Robbins Scotland, said: "The SSE Scottish Music Awards is now one of the biggest and best music moments on the Scottish event calendar, and this year's ceremony was nothing short of spectacular.
"It was the perfect celebration of 20 years of Nordoff Robbins Scotland and we're incredibly grateful to the guests, sponsors, volunteers, and musicians who helped us make the event happen.
"Also, to everyone who has supported us for over 20 years - thank you."
The charity said funds raised by the awards ceremony had helped it to put on more than 8,000 music therapy sessions, involving around 450 vulnerable people, over the last year.


European Parliament leaders have condemned US President Donald Trump's potential choice as envoy to the EU.

Businessman Ted Malloch is believed to be the favourite for the role.
In a letter, the leaders of the main parliamentary groups say he supports the dissolution of the EU and that his views reveal "outrageous malevolence".
One of the leaders separately said that Mr Malloch, who has previously compared the bloc to the former Soviet Union, should be declared "persona non grata".
In an interview with the BBC last month, Mr Malloch said: "I had in a previous career a diplomatic post where I helped bring down the Soviet Union. So maybe there's another union that needs a little taming."
However, in another interview on Friday with the BBC's World at One he said that his comments at the time had been "tongue-in-cheek".
He characterised the EU as a "very important arrangement that was largely brought about by American contributions... for some long decades it's been absolutely critical to the trans-Atlantic alliance and to US-Europe relations".
But he added: "I do believe it has more and more become a supranational organisation with political ambitions that probably don't fit with all its member states' ambitions."
Mr Malloch has also been a vocal critic of the common currency and European Commission President Jean-Claude Juncker.
A letter, co-signed by the centre-right EPP and the liberal Alde group, said his appointment as US ambassador to could seriously undermine transatlantic relations.
"[Mr Malloch's] statements reveal outrageous malevolence regarding the values that define this European Union," it said.
"We are strongly convinced that persons seeing as their mission to disrupt or dissolve the European Union, should not be accredited as official representatives to the EU," it added.
Mr Malloch has worked at the United Nations in Geneva and been on the executive board of the World Economic Forum, a group of global political and business leaders.
He is currently a professor at Henley Business School at the UK's University of Reading.
Socialists and Democrats leader Gianni Pittella wrote a separate letter, voicing concern about his possible appointment, saying that it could "potentially contribute to the spread of populism and euroscepticism across Europe".
"Malloch should not be accepted as an official representative to the EU and should be declared 'persona non grata'," wrote Pittella.
EU Council President Donald Tusk has said he believes Mr Trump's presidency could be a threat to Europe.
The EPP is the biggest group in parliament, followed by the Socialists and Democrats group. The Alde liberals are the fourth-largest group.
The European Parliament is the only directly elected EU body. It represents the people of the EU in contrast to the Council of Ministers, which represents the governments of member countries.


The minute the legendary Ole Gunnar Solskjaer was returned to his throne at the club, Celtic entered - what they thought was a relatively welcoming European double-header against the deposed and supposedly struggling Norwegian champions - with trepidation.
Molde had been left peering through the dust as Rosenborg roared into the distance to reclaim the Tippeligaen for the first time in five years.
The attitude in Trondheim is that Molde had finally been put in their place after some recent glory years with chants of "we hate Molde" reportedly heard from a Rosenborg reception to celebrate their triumph.
This has not sat well with the upstarts of Romsdal county, who have dominated the Norwegian top flight since Solskjaer's first spell in charge of a club where his legendary status is secure.
However, the 42-year-old's retaking of the reins - albeit caretaker Erling Moe continues to pick the team - has dovetailed with their extraordinary opening to Europa League Group A.
And, as Celtic found out less than a fortnight ago, Molde have left their best form until the end of the campaign as they prepare for the quick-fire return in Glasgow on Thursday.
Despite their more than disenchanting attempt at winning a fourth title in five years, Solskjaer's side has every chance of a successful late-season salvage mission.
They have only one league match remaining, this weekend at Start, with a win required to stand a chance of qualifying for European football next term.
Media playback is not supported on this device
Even then, sixth-placed Molde need favours from others.
Firstly, slip-ups by one of Celtic manager Ronny Deila's old teams - Odd Grenlund and Viking Stavanger - are needed if they are to finish in fourth place.
If that long-shot can be attained, they will have to grit their teeth and roar on the new champions, Rosenborg, in the Norwegian Cup final against Sarpsborg later in the month.
In the eyes of many, on paper at least, these two Europa League fixtures would be the ones that would propel Celtic into the last 32.
Now it is Molde who stand on the brink of history and a European knock-out berth for the first time in their history.
Star defender Vegard Forren - who volleyed the second in the 3-1 win on match-day three - has targeted another points plundering at Parkhead in the wake of an unbeaten start to the group.
"We travel here with good confidence in the team," Forren told BBC Scotland.
"Celtic at home will always be favourites, so it's going to be a tough game, but hopefully we can come here and make it difficult for them.
"I think the pressure is on them, so hopefully we can use that to our advantage.
"We have confidence that we can come here and get three points."
To many in Norway, the fact that Forren still plies his trade in his homeland is a mystery, something that was exemplified by a classy performance against the Scottish champions.
The 27-year-old has bounced back from a short-lived spell at Southampton and is likely to play an integral part in Norway's Euro 2016 play-off games against Hungary.
Should they pull off an unlikely double over Deila's men, any points spilled by Ajax against Fenerbache in Amsterdam would propel the bottom seeds through with two games to spare.
Forren is expecting a different animal to the one that surrendered in the howling wind and rain in north-west Norway with Kris Commons' spat with Celtic assistant John Collins dominating the post-match headlines.
"I think we maybe surprised them a little at home and they, of course, will want to revenge the loss," the centre-back added.
"It's a completely different game, it's going to be tough."
Asked if Molde would be happy with a draw, Forren added: "Yeah, of course, but we're optimistic and hope for three points.
"But one point for us is good because Celtic need three."
How Deila will hope to avoid that agony as his countrymen aim to provide what some would see as a fatal blow to his long-term Celtic career.


An Australian man has been acquitted of the murder of a New Zealand woman during their first Tinder date.

Gable Tostee, 30, was charged after Warriena Wright, 26, fell from his balcony in Queensland's Gold Coast in August 2014.
Prosecutors argued that she was so intimidated that she tried to escape by climbing to a lower floor, but fell.
After four days of deliberation, the jury found him not guilty of murder and manslaughter.
Defence lawyer Nick Dore said outside the court that his client was "relieved this matter is now behind him and he's looking forward to moving on with his life".
Mr Tostee and Ms Wright connected on the popular dating app Tinder and exchanged messages back and forth.
They met in person for the first time on 7 August 2014 at a seaside resort called Surfers Paradise. Hours later Ms Wright plunged to her death from his 14th storey balcony.
During the trial, the key piece of evidence was a 199-minute audio recording of her pleading to be allowed to leave the apartment.
The recording was found on Mr Tostee's phone after he made a decision to secretly record their altercation before Ms Wright's fall, according to the Australian media.
Prosecutors said the recording proved his guilt, while his defence lawyers said it showed he was innocent.
Mr Tostee can be heard saying Ms Wright physically assaulted him after allegedly throwing ornamental rocks at him.
"You're lucky I haven't chucked you off my balcony," Mr Tostee says on the recording made on his phone. "If you try to pull anything, I'll knock you out."
Ms Wright is later heard saying "just let me go home", after he allegedly locked her on the balcony.


Rwandans have voted overwhelmingly to allow President Paul Kagame to extend his term in office, initial referendum results show.

Some 98% of voters support changing the constitution to allow him to run again in 2017 after his second term ends, the National Electoral Commission said.
Mr Kagame, 58, could remain in power until 2034 if the changes are passed.
The vote took place despite criticism of such an amendment by the US and other Western donors.
Rwanda's electoral commission said 21 out of 30 districts had published results so far, covering about 70% of voters.
Full results are due to be released later on Saturday.
Mr Kagame has not said if he will run again, but he is widely expected to.
Asked at the polling station if he would stay on, he said: "What is happening is the people's choice. Ask people why they want me."
Paul Kagame: Visionary or tyrant?
Third terms and the arrogance of power
However, the US has said Mr Kagame should step down in 2017 to allow a new generation of leaders to emerge.
Rights groups accuse the government of stifling the media and political opposition.
The small opposition Democratic Green Party claimed it had been prevented from campaigning against the change.
Mr Kagame has been president since 2000 but has held power since 1994, when his rebel force entered the capital Kigali to end the country's genocide.
The debate over extending presidential terms has led to instability in other African countries such as Burundi and Congo Republic, but has not caused unrest in Rwanda.


Northern Ireland goalkeeper Roy Carroll has signed for Premiership club Linfield on a one-year deal.

The 38-year-old former Manchester United and West Ham player joins the Blues after a spell with Notts County.
Carroll, who has won 42 international caps, will link up with former Northern Ireland team-mate and current Linfield boss David Healy.
"He's obviously a player I know very well and he will bring with him considerable experience," said Healy.
Carroll made his Northern Ireland debut against Thailand in 1997 and is expected to be in the squad for the Euro 2016 finals in France.
Linfield finished second in the league last season and were beaten in the Irish Cup final by Glenavon.
"His experience will be of enormous benefit to the goalkeepers and indeed our entire squad," added Healy.
"I'm looking forward to working with him once his international commitments are concluded in the coming weeks."


Togo's defeated opposition leader Jean-Pierre Fabre says he considers himself the new president, rejecting official election results.

Earlier, Togo's official election body declared President Faure Gnassingbe the winner, with a provisional 59% of the vote.
Mr Fabre, who gained 35%, told AFP news agency the results were a "crime against national sovereignty".
Observers from the African Union said the election was free and fair.
Mr Fabre called on the Togolese to "take their destiny into their own hands".
His party, the opposition Combat for Political Change (Cap 2015),  said the results bore "no resemblance to those compiled from reports collected in polling stations by its representatives".
Asked by an AFP reporter if he considered himself the new president-elect, he replied: "Of course."
West African regional leaders led by Ghana's President John Dramani Mahama have been attempting to mediate the dispute, having arrived in the capital Lome on Tuesday.
President Faure Gnassingbe's family has ruled Togo for 48 years.
Mr Gnassingbe has ruled since the 2005 death of his father, Gnassingbe Eyadema.
Africa news round-up: 29 April
On Monday Mr Fabre called for a delay in announcing the results, citing widespread irregularities.
The final results still need to be confirmed by the country's Constitutional Court.
Turnout was around 53-55%, according to the electoral commission, Ceni - at least 10% lower than the last elections in 2010.
The 2005 elections were overshadowed by fraud allegations and violent protests which left at least 400 people dead.
Last year, opposition protests failed to bring about constitutional changes limiting the president to two terms in office - a move that would have prevented Mr Gnassingbe from standing.
Togo's GDP has more than doubled since 2005 and economic growth reached 5.6% in 2014.
But critics say the benefits have mainly gone to a wealthy minority, while most ordinary Togolese still suffer from high poverty and unemployment rates.


Police forces could be "sleepwalking" back to an old model of policing where they are "isolated from communities", HM Inspector of Constabulary has said.

Zoe Billingham said officers in England and Wales were being taken off the beat to man front counters, do desk work in stations and guard crime scenes.
This meant they now had less time for "vitally important preventative work in communities", she said.
The government said police reform was working and crime had fallen.
The only force to be rated "outstanding" by inspectors was Durham, while 24 forces were rated "good", 18 were rated "requires improvement" and none was rated "inadequate".
In her report on police effectiveness, efficiency and legitimacy, Ms Billingham praised police forces but warned crime prevention work was "at risk if neighbourhood policing is further eroded".
"Front-line neighbourhood police officers have told us repeatedly that they are being pulled from their vitally important preventative work in communities to fulfil other duties, like guarding crime scenes, spending time in stations investigating crimes or staffing police station front counters," she said.
"Losing our eyes and ears in the community is only likely to hamper good performance in preventing crime."
She said police leaders must take heed of the warning and "make sure that neighbourhood policing - the cornerstone of the British policing model - is preserved for future generations".
By Danny Shaw, BBC home affairs correspondent
In the 1960s and 70s the gap between police and local communities widened - partly, it's believed, because officers began whizzing around in panda cars and spent less time on the beat.
The Scarman report, following the Brixton riots in 1981, emphasised the importance of getting officers back into neighbourhoods, and a further push came 20 years later with the creation of Police Community Support Officers.
They, along with dedicated neighbourhood police officers, are meant to provide reassurance, gather intelligence and prevent crime.
In a 2013 review for the Labour Party, Lord Stevens warned that owing to budget cuts and a focus on being "crime-fighters" the police service was "in danger of retreating to a discredited model of reactive policing".
The HM Inspectorate of Constabulary report provides the clearest evidence yet that the former Metropolitan Police commissioner may be right.
Ms Billingham said it was "disappointing" that there had not been more progress on concerns she raised last year.
"More than a third of forces are judged to require improvement in how they investigate crime and manage offenders, with backlogs and delays in the units which extract and analyse evidence from digital devices a particular concern," she said.
She also noted "relatively poor" performance in supporting vulnerable victims.
But she said most forces had been rated either "good" or "outstanding" in terms of tackling the most serious crimes and preventing crime and anti-social behaviour.
Policing minister Mike Penning said: "Police reform is working and crime has fallen by more than a quarter since 2010, according to the independent crime survey for England and Wales."
He said the government had made policing "more professional, less bureaucratic for officers and more responsive to victims".
"Last year we protected police budgets for the next four years, once local precept is taken into account," he added.
"Chief constables and Police and Crime Commissioners have no excuse whatsoever not to deliver at least good quality policing in their areas."


Diego Costa and Eden Hazard scored as Chelsea beat West Ham to extend their lead at the top of the Premier League to 10 points.

It was the Blues' 21st victory of the league season and another big step towards winning the title in Antonio Conte's first season as manager.
The Italian was once again spot on with his tactics - nullifying the predictable aerial threat of the Hammers' 6ft 4in frontman Andy Carroll early in the match.
And then in the 25th minute his attackers cruelly exposed the hosts' defence with a devastating counter-attack.
N'Golo Kante read a pass from Robert Snodgrass deep inside the Chelsea half on the left and played the ball to Hazard. The Belgium winger drove forward, played a one-two with Pedro and then shifted the ball past keeper Darren Randolph before slotting home.
The Blues doubled their lead after the break when Hazard's corner from the left was turned in with his thigh by Costa - the Spain striker's 17th league goal of the season.
The Hammers came close after Costa's strike when Sofiane Feghouli's low drive was brilliantly saved by Thibaut Courtois. Chelsea wing-back Marcos Alonso then appeared to block Manuel Lanzini's half-volley with his arm moments later - but referee Andre Marriner deemed it to be accidental.
West Ham finally pierced the last line of defence in stoppage time. Carroll robbed Cesc Fabregas and fed Andre Ayew, who squared for Lanzini to fire in.
No doubt there were West Ham supporters who would have fancied their team's chances of causing an upset on Monday.
They came into the match having lost only one of their past six league games, picking up three wins. And one of the Blues' four defeats came at London Stadium in the EFL Cup earlier this season.
But perhaps what gave those fans greatest belief of a win was the return of Carroll, back after a month out with a groin injury - and the big striker was central to the Hammers' tactics.
In the opening 20 minutes, both Snodgrass and Feghouli provided the ex-Newcastle and Liverpool forward with high lofted balls. Unfortunately for Hammers manager Slaven Bilic, Chelsea had done their homework as their defenders repeatedly prevented Carroll from having an effort on goal.
He became a peripheral figure in the second half as West Ham looked for a new way of breaching the visitors' defence.
They managed to do so through Lanzini in the dying seconds, but there was too little time to find an equaliser.
Not even an intruder who made his way towards the Chelsea players after Hazard's goal could nudge the visitors off their stride. He, like West Ham's attack, was quickly contained.
Chelsea's attack then demonstrated why they are top of the table - the opening goal was a delight.
Kante, who as a defensive midfielder made the second-highest number of sprints on the night - 77 - darted back to cut out Snodgrass' ball. It was then over to Hazard and Pedro, with the Belgian having the confidence and composure to take the ball past Randolph before tucking in.
It was not as good as his Match of the Day goal of the month against Arsenal on 4 February, but impressive nonetheless. Costa, who had a quiet game, then added a simple second after the break.
The Blues did lose their concentration on two occasions: once when Courtois made a great save to block Feghouli's low drive, and then in stoppage time when the Belgium keeper was beaten by Lanzini.
But those mistakes have been few and far between this season.
Chelsea have an FA Cup quarter-final against Manchester United coming up on Monday, 13 March (19:45 GMT) and then it is back to league action the following Saturday when they travel to Stoke.
West Ham are away at Bournemouth in the Premier League on Saturday, 11 March (15:00 GMT).
Match ends, West Ham United 1, Chelsea 2.
Second Half ends, West Ham United 1, Chelsea 2.
Goal!  West Ham United 1, Chelsea 2. Manuel Lanzini (West Ham United) right footed shot from the centre of the box to the bottom left corner. Assisted by André Ayew.
Foul by Sam Byram (West Ham United).
Marcos Alonso (Chelsea) wins a free kick in the defensive half.
Offside, Chelsea. Kurt Zouma tries a through ball, but Diego Costa is caught offside.
Corner,  Chelsea. Conceded by Aaron Cresswell.
Attempt blocked. Willian (Chelsea) right footed shot from the right side of the box is blocked. Assisted by César Azpilicueta.
Attempt missed. Cesc Fàbregas (Chelsea) right footed shot from the centre of the box is too high. Assisted by Willian.
Foul by Edimilson Fernandes (West Ham United).
Cesc Fàbregas (Chelsea) wins a free kick in the defensive half.
Cheikhou Kouyaté (West Ham United) wins a free kick in the defensive half.
Foul by Diego Costa (Chelsea).
Substitution, West Ham United. Edimilson Fernandes replaces Mark Noble.
Substitution, Chelsea. Kurt Zouma replaces Victor Moses.
Substitution, Chelsea. Willian replaces Eden Hazard.
Corner,  West Ham United. Conceded by Victor Moses.
Attempt missed. Pedro Obiang (West Ham United) right footed shot from outside the box misses to the right. Assisted by Robert Snodgrass.
Pedro Obiang (West Ham United) wins a free kick in the attacking half.
Foul by Nemanja Matic (Chelsea).
Attempt missed. Andy Carroll (West Ham United) header from the centre of the box is close, but misses to the left. Assisted by Mark Noble.
Pedro Obiang (West Ham United) wins a free kick in the defensive half.
Foul by Cesc Fàbregas (Chelsea).
Attempt missed. César Azpilicueta (Chelsea) left footed shot from outside the box misses to the right following a corner.
Corner,  Chelsea. Conceded by Darren Randolph.
Attempt saved. Diego Costa (Chelsea) left footed shot from the centre of the box is saved in the bottom left corner. Assisted by Eden Hazard.
Substitution, Chelsea. Nemanja Matic replaces Pedro.
Substitution, West Ham United. Sam Byram replaces Winston Reid because of an injury.
Substitution, West Ham United. André Ayew replaces Sofiane Feghouli.
Attempt missed. José Fonte (West Ham United) header from the centre of the box is just a bit too high. Assisted by Winston Reid with a cross following a corner.
Attempt blocked. Mark Noble (West Ham United) right footed shot from outside the box is blocked.
Attempt blocked. Sofiane Feghouli (West Ham United) right footed shot from the centre of the box is blocked.
Corner,  West Ham United. Conceded by César Azpilicueta.
Foul by David Luiz (Chelsea).
Andy Carroll (West Ham United) wins a free kick in the attacking half.
Attempt missed. Andy Carroll (West Ham United) left footed shot from outside the box is close, but misses the top left corner.
Attempt missed. Marcos Alonso (Chelsea) left footed shot from the centre of the box is close, but misses to the right. Assisted by Eden Hazard.
Attempt missed. Manuel Lanzini (West Ham United) right footed shot from outside the box misses to the right.
Goal!  West Ham United 0, Chelsea 2. Diego Costa (Chelsea) right footed shot from very close range to the centre of the goal following a corner.
Corner,  Chelsea. Conceded by Cheikhou Kouyaté.


Brighton missed the chance to secure the Championship title as Bristol City won to guarantee survival.

The Seagulls, who are a point clear of Newcastle, now must better the Magpies' result next Sunday to finish top.
They fell behind when Josh Brownhill powered home a header from Matty Taylor's cross before the break.
The closest Brighton came to a leveller was a stoppage-time header from Glenn Murray that was straight at Robins' keeper Frank Fielding.
Brighton have now lost both their games since being promoted to the Premier League on 17 April.
The Seagulls will be crowned champions if they beat mid-table Aston Villa on the last day of the season but anything less could see Newcastle win the title instead if they beat Barnsley at St James' Park.
Manager Chris Hughton will have been disappointed with the flat performance his side put on in front of a packed Amex Stadium, with Bristol City centre halves Aden Flint and Bailey Wright able to comfortably deal with a series of harmless crosses as the Seagulls looked for a route back into the game.
Victory for Bristol City dispelled their lingering relegation fears and means Lee Johnson's men have won four of their past five games.
They could and perhaps should have extended the lead given to them by Brownhill's first goal for the club but Taylor totally miscued from close range.
Match ends, Brighton and Hove Albion 0, Bristol City 1.
Second Half ends, Brighton and Hove Albion 0, Bristol City 1.
Hand ball by Glenn Murray (Brighton and Hove Albion).
Attempt saved. Glenn Murray (Brighton and Hove Albion) header from the centre of the box is saved in the centre of the goal. Assisted by Anthony Knockaert.
Substitution, Bristol City. Callum O'Dowda replaces Jamie Paterson.
Substitution, Brighton and Hove Albion. Fikayo Tomori replaces Lewis Dunk.
Attempt blocked. Uwe Hünemeier (Brighton and Hove Albion) right footed shot from outside the box is blocked. Assisted by Gaëtan Bong.
Attempt blocked. Anthony Knockaert (Brighton and Hove Albion) left footed shot from outside the box is blocked. Assisted by Dale Stephens with a headed pass.
Corner,  Bristol City. Conceded by David Stockdale.
Attempt saved. Jamie Paterson (Bristol City) left footed shot from the left side of the box is saved in the top centre of the goal.
Attempt saved. Bobby Reid (Bristol City) left footed shot from the centre of the box is saved in the centre of the goal. Assisted by Milan Djuric with a headed pass.
Attempt missed. Solly March (Brighton and Hove Albion) left footed shot from outside the box is just a bit too high. Assisted by Bruno.
Foul by Dale Stephens (Brighton and Hove Albion).
Milan Djuric (Bristol City) wins a free kick in the defensive half.
Attempt missed. Lewis Dunk (Brighton and Hove Albion) right footed shot from outside the box is close, but misses to the left. Assisted by Solly March following a corner.
Corner,  Brighton and Hove Albion. Conceded by Bobby Reid.
Substitution, Bristol City. Milan Djuric replaces Tammy Abraham.
Glenn Murray (Brighton and Hove Albion) wins a free kick on the left wing.
Foul by Mark Little (Bristol City).
Attempt blocked. Jamie Paterson (Bristol City) right footed shot from outside the box is blocked.
Attempt blocked. Josh Brownhill (Bristol City) right footed shot from outside the box is blocked.
Foul by Lewis Dunk (Brighton and Hove Albion).
Bobby Reid (Bristol City) wins a free kick in the attacking half.
Foul by Tomer Hemed (Brighton and Hove Albion).
Joe Bryan (Bristol City) wins a free kick in the defensive half.
Substitution, Bristol City. Bobby Reid replaces Matty Taylor.
Foul by Steve Sidwell (Brighton and Hove Albion).
Tammy Abraham (Bristol City) wins a free kick in the defensive half.
Attempt missed. Matty Taylor (Bristol City) right footed shot from outside the box misses to the left. Assisted by Josh Brownhill.
Attempt missed. Lewis Dunk (Brighton and Hove Albion) header from the centre of the box is close, but misses the top right corner. Assisted by Solly March with a cross following a corner.
Corner,  Brighton and Hove Albion. Conceded by Aden Flint.
Attempt blocked. Tomer Hemed (Brighton and Hove Albion) header from the centre of the box is blocked. Assisted by Bruno with a cross.
Offside, Brighton and Hove Albion. Lewis Dunk tries a through ball, but Tomer Hemed is caught offside.
Foul by Tomer Hemed (Brighton and Hove Albion).
Bailey Wright (Bristol City) wins a free kick in the defensive half.
Joe Bryan (Bristol City) is shown the yellow card for a bad foul.
Anthony Knockaert (Brighton and Hove Albion) wins a free kick on the right wing.
Foul by Joe Bryan (Bristol City).
Substitution, Brighton and Hove Albion. Steve Sidwell replaces Beram Kayal.
Foul by Glenn Murray (Brighton and Hove Albion).


Teenage off-spinner Dom Bess took 5-43 as Somerset boosted their title chances by skittling relegated Nottinghamshire for 138 on day two at Taunton.

Slow left-armer Jack Leach weighed in with 3-42, while opener Jake Libby top-scored with 42 for the visitors.
Despite their lead of 227, Somerset skipper Chris Rogers decided not to enforce the follow-on.
They lost Tom Abell (10) and Marcus Trescothick (39) in reaching the close on 105-2, 332 ahead with two days left.
Somerset have taken seven out of a possible eight bonus points and if they go on to win the game, they can become champions for the first time,  providing Middlesex do not beat Yorkshire - and Yorkshire do not win and match their bonus points total.
The home side managed to add 43 to their overnight 322-9 in the morning before Bess fell to Samit Patel for 41.
The 19-year-old then bowled five successive maidens as Notts reached lunch at 35-1 in reply before claiming his first wicket when Tom Moore edged to slip.
Bess then removed Libby, with the help of a short-leg catch, before taking a superb one-handed effort off his own bowling to send Michael Lumb on his way for 29.
Billy Root, brother of England star Joe, made 10 before he fell to Leach soon after tea as Notts lost three wickets for no runs and Bess then had Jake Ball lbw to end the Notts innings.
James Hildreth is unlikely to bat again in the match after scans confirmed his ankle was fractured by a Ball yorker early in his innings of 135 on the opening day.
Ryan Davies was promoted to number four and was 24 not out at stumps, with skipper Chris Rogers on 31.


A man accused of sending a flashing image to a writer in order to trigger an epileptic seizure has been arrested, the US justice department says.

John Rayne Rivello, 29, of Maryland, sent Kurt Eichenwald an animated image with a flashing light on Twitter in December, causing the seizure.
He has been charged with criminal cyber stalking and could face a 10-year sentence, the New York Times reports.
"You deserve a seizure for your post," he is alleged to have written.
Mr Eichenwald is known to have epilepsy. He is a senior writer at Newsweek magazine, a contributing editor at Vanity Fair and a best-selling author of books including The Informant.
Investigators found that Mr Rivello had sent messages to other Twitter users about Mr Eichenwald and a plan to attack him virtually, including one that read: "I hope this sends him into a seizure".
Tweet 'caused' epileptic seizure
"Spammed this at [victim] let's see if he dies," another message read, according to the justice department.
Investigators found a screenshot on his iCloud account of an altered Wikipedia page for Mr Eichenwald, falsely listing his date of death as 16 December, a day after the image was sent.
He had also researched epilepsy seizure triggers on the epilepsy.com website.
The Twitter message was no different from "a bomb sent in the mail or anthrax sent in an envelope," Steven Lieberman, a lawyer for Mr Eichenwald, told the New York Times. "It triggers a physical effect."
Mr Rivello will have his case heard in Texas, where his alleged victim is based.
The justice department did not say what motivated the attack, though reports have speculated that it may have been related to Mr Eichenwald's frequent criticism of US President Donald Trump on Twitter.
Mr Eichenwald is reported to have suffered the effects of the seizure for several weeks. He tweeted on Friday that more than 40 people had sent him "strobes" after learning about the case.
After the attack was reported in December, Stefano Seri, a professor of neurophysiology at Aston University in the UK, said the material in the tweet must have been carefully constructed.
"Abrupt changes in light intensity, or luminance, can trigger seizures. The most sensitive range is about 15-25 flashes per second," he said.
"The picture would need to occupy most of the visual field. It would take some very sick people to do this, but technically, it is possible.
"Modern LED screens are not as provocative as older ones. It takes a very carefully designed stimulus to induce a seizure," Prof Seri added.


Property developer Adama Barrow says his shock win of the Gambian election heralds new hope for the country.

Yahya Jammeh, an authoritarian president who ruled for 22 years, has confirmed he will step down.
"I will help him work towards the transition," Mr Jammeh said on state TV on Friday evening, after speaking to the president-elect by telephone.
Mr Barrow, 51, who has never held political office, won Thursday's election with 45.5% of the vote.
Hundreds of Gambians took to the streets to celebrate one of the biggest election upsets West Africa has ever seen.
Mr Jammeh, also 51, took power in a bloodless coup in 1994 and has ruled the country with an iron fist ever since.
President Jammeh took 36.7% of the vote, while a third party candidate, Mama Kandeh, won just 17.8%.
The BBC's Umaru Fofana, who spoke to Mr Barrow, said the president-elect seemed bewildered by the result.
President Jammeh has congratulated the property developer and vowed not to contest the results after deciding "that I should take the backseat".
Who is Adama Barrow?
"I am very, very, very happy.  I'm excited that we win (sic) this election and from now hope starts," Mr Barrow told the BBC's Umaru Fofana, adding that he was disappointed not to have won by a larger margin.
Born in 1965 near the eastern market town of Basse, Mr Barrow moved to London in the 2000s where he reportedly used to work as a security guard at an Argos catalogue store.
He returned to The Gambia in 2006 to set up his own property company, which he still runs today.
Mr Barrow, who is leading an opposition coalition of seven parties, has promised to revive the country's struggling economy, look at imposing a two-term presidential limit and introduce a three-year transitional government.
Why was it such a shock? By Alastair Leithead, BBC Africa correspondent
Despite a surge of support for an opposition broadly united behind one candidate, most people expected the status quo to prevail.
Hopes weren't high for a peaceful transfer of power, with a crackdown on opposition leaders months before the polls, the banning of international observers or post-election demonstrations, and then the switching off of the internet on election day.
But in a place where glass beads are used in place of ballot papers, it seems that the marbles have spoken.
The unseating of an incumbent president is not the usual way politics goes in this part of the world - but it's becoming popular in West Africa at least, with Muhammadu Buhari unseating Goodluck Jonathan in Nigeria just last year.
Former businessman Adama Barrow now has his chance to tackle the poverty and unemployment which drives so many young Gambians to join the Mediterranean migrant trail every year.
How has incumbent President Jammeh reacted?
The incumbent president has asked his successor to set up a time to meet and organise the transition period.
Yahya Jammeh, a devout Muslim, had once said he would rule for "one billion years" if "Allah willed it".
"It's really unique that someone who has been ruling this country for so long has accepted defeat," the electoral commission chief, Alieu Momar Njie, said on Friday.
Human rights groups have accused Mr Jammeh, who in the past claimed he could cure Aids and infertility, of repression and abuses of the media, the opposition and gay people.
In 2014, he called homosexuals "vermin" and said the government would deal with them as it would malaria-carrying mosquitoes.
Several previous opposition leaders were imprisoned after taking part in a rare protest in April.
Mr Barrow has promised to undo some of Mr Jammeh's more controversial moves, including reversing decisions to remove The Gambia from the Commonwealth and the International Criminal Court (ICC).
Where is The Gambia?
The Gambia is the smallest country on mainland Africa, with a population of fewer than two million.
It is surrounded on three sides by Senegal and has a short Atlantic coastline popular with European tourists.
Tourism has become The Gambia's fastest growing sector of the economy, and it is known to travellers as "the smiling coast of West Africa".
Last year, President Jammeh declared the country an Islamic Republic in what he called a break from the country's colonial past.
Read more on The Gambia


Wales has "missed opportunities" to invest in renewable energy and substantially boost its economy, a report has found.

The Institute of Welsh Affairs (IWA) said a significant number of potential projects struggled or did not attempted to attract funding from within Wales.
It said a "lack of ambition and strategy" was holding back investment.
A Welsh Government spokesman said: "We are already delivering on many of the areas highlighted in the report."
The think-tank wants Wales to get all its energy from renewable sources by 2035.
Shea Buckland-Jones who worked on the report, Funding Renewable Energy Projects in Wales, said: "Wales needs to reach its renewable energy potential by taking advantage of its abundance of natural resources and should do so by investing in a way that ensures wider economic and social benefits are retained locally within Wales.
"Welsh Government, pension funds, local government, private sector and third sector organisations all have important roles to play in this and joined up thinking is required to make it happen."
The Welsh Government spokesman added: "Our innovative support for local energy has seen us support and de-risk the development of a pipeline of projects, many of which are already generating energy and income. We have made Â£25m available this financial year to develop a range of projects in the Welsh public and community sectors."


A 19-year-old driver has died after a collision with a taxi.

The unnamed man was driving a Ford Mondeo when the crash occurred at about 01:00 GMT on Manchester Road in Burnley. He died at the scene.
The 48-year-old taxi driver suffered serious chest and leg injuries and was taken to hospital.
His two female passengers, aged 58 and 38, also received head injuries. A third car, which was parked and unattended, was also damaged.
Lancashire Police said an investigation was under way and appealed for witnesses.


A man has been charged with drink-driving after a 22-year-old man was struck by a car as he left a nightclub in West Lothian.

The incident took place at about 03:15 on Saturday outside the EQHQ nightclub in Livingston.
The vehicle then drove away from the scene.
A 23-year-old man was arrested by police a short time later. He is expected to appear at Livingston Sheriff Court on Monday.
The 22-year-old was taken to hospital for treatment but his injuries were not believed to be life threatening.
Det Insp Paul Batten said: "Fortunately the victim was not fatally injured as a result of this collision and we are continuing with our inquiries to establish exactly what happened.
"We know that there were a number of people in the area, including patrons from the ECHQ and customers at nearby eateries who may have witnessed the incident or have information that can assist with our investigation.
"These individuals are asked to contact police immediately."


The S&P 500 index recorded its longest losing streak in 35 years on Friday as US stocks closed down amid investor jitters ahead of next week's election.

The S&P closed 0.16% lower at 2,085.22, marking the ninth day of losses and its worst run since December 1980.
Markets in the US, Asia and Europe have fallen as polls showed the gap between Donald Trump and Hillary Clinton narrowing.
The Dow Jones industrial average fell 0.23% to 17,888,
While the tech-heavy Nasdaq dropped 0.24% to 5,046.37.
Stocks were largely unmoved by new jobs data which showed that US businesses added 161,000 jobs in October, slightly below forecasts. The unemployment rate dropped to 4.9% from 5%.


The mood in China regarding Donald Trump's presidency ranges from one of caution to apprehension.

The media here were ordered to tread carefully when covering Mr Trump's inauguration. We know this because government censorship instructions were leaked in the week leading up to the event.
Perhaps because of the time difference, many Chinese newspapers didn't initially cover the transition of power in Washington.
Trump 'would win' trade war with China
No winners in trade war, says China's Xi
Ways the world has already changed
Others, though, went to press with very late additions specifically so they could.
The front page headline in the Cankao Xiaoxi news paper (run by Xinhua wire service) read: "The World takes a worried look as Trump moves into the White House."
Beijing Youth Daily carried the perhaps more neutral headline: "America Welcomes the Trump Era."
News websites have referred to America tearing itself apart as Donald Trump is sworn in. One spoke of chaos in Washington as the new president starts to dismantle Obamacare.
The People's Daily - seen at the voice of the Chinese Communist Party - wrote of the need for "win-win" co-operation between Beijing and Washington. Yet many here are wondering just how possible that is going to be.
After all, the incoming US leader has accused China for inventing climate change to steal US jobs.
President Xi Jinping's administration not only takes the view that man-made climate change is real and must be tackled, but also says trade barriers will harm the global economy, meaning that American consumers will also suffer.
At this time of year in Beijing, foreign correspondents are invited to a series of government receptions celebrating the imminent arrival of the Year of the Rooster. At these functions we are able to chat over drinks with diplomats, soldiers, PR people and various bureaucrats.
Something that becomes clear from such discussions is the level of restraint being imposed on Chinese officials when it comes to Donald Trump and his incoming cabinet's views on Taiwan, trade, the South China Sea and regional power.
After a few glasses of wine they'll let you know privately what they would love to say publicly: "45% tariffs? Seriously?" "Does he think we wouldn't defend our right to access islands in the South China Sea?" "I mean who does he think he is?" "How dare he?"
Now that Mr Trump has been sworn in the need to be polite about him and his team might not be so important.
With very different worldviews in these global seats of power, this looks set to make for a rocky relationship.


In Disney's 2008 animation Wall-E, the eponymous robot is left behind on a deserted Earth to clean up the waste mankind left behind.

If the latest statistics are anything to go by, we're in danger of turning that fictional future into a reality.
A decade ago, city dwellers generated 680 million tonnes of solid waste a year, says the World Bank.
Now this is 1.3 billion tonnes, and forecast to rise to 2.2 billion tonnes by 2025 - enough to fill a 5,000km-long (3,107 mile) queue of rubbish lorries each day.
And the cost of disposing of all this detritus is projected to rise from $205bn (Â£136bn) to $375bn (Â£250bn) a year over the next decade.
But could technology, which helped create much of this waste, also help deal with it?
Much of the world's waste goes to landfill sites, which only add to the pollution problem because they produce methane - a greenhouse gas and significant contributor to climate change.
Mexico City's mammoth Bordo Poniente site generates 1.4 million tonnes of methane a year.
But technology is helping to extract the gas and turn it into electricity.
For example, US-based Ener-Core has built installations at landfill sites in California and the Netherlands that can produce between 250 kilowatts and 1 megawatt of electricity.
"This is enough power to feed electricity into anywhere from 250 to 1,000 homes," says chief executive Alain Castro.
Methane breaks down in the atmosphere into water and carbon dioxide, a reaction that normally takes 10-20 years and slowly releases energy.
But by injecting landfill methane into a vessel kept at an ideal pressure and temperature, you can shorten that 20 years to 1-1.5 seconds.
This process yields heat to boil water and power a steam turbine for generating electricity.
And last year in the US, BMW demonstrated how landfill methane could be cleaned and converted into hydrogen to power fuel cells.
BMW then used these fuel cells to power more than 300 forklift trucks at its factory in Greer, South Carolina, says US Environmental Protection Agency spokeswoman, Enesta Jones.
Hydrogen fuel cells can be recharged more quickly and efficiently than traditional lead-acid batteries, adding to the environmental gains.
Of course, we can reduce the amount of waste going to landfill by recycling more.
"Smart" bins using RFID [radio frequency identification] tags have been used to identify and track people's recycling habits in Spain and Portugal.
The refuse collector scans and weighs your bins, the information goes in a database, and then you are charged for your un-recycled waste.
Such "pay as you throw" systems are credited with a 7%-10% increase in recycling.
WeRecycle, led by Dr Jenna Jambeck, an associate professor of engineering at the University of Georgia, has adopted another approach - more carrot than stick.
She wants people to "feel a moment of joy when recycling", she says.
Her latest recycling bin counts and displays how many objects have been dropped in, with green lights that come on in the shape of a smiling face each time something is recycled.
Those small bits of recognition and reinforcement increase recycling rates by 50%, claims Dr Jambeck.
The more we recycle, the more pressure there is on recycling centres to become more accurate and efficient.
The UK's Axion Recycling in Salford operates a state-of-the-art plastics recycling plant that focuses on sorting materials from torn up vehicles.
Its director, Keith Freegard, believes the latest version of the Shredder Waste Advance Process Plant is one of the most advanced plastics recycling facilities in Europe.
It uses near infrared sorting technology, which is fast enough to be applied at industrial scale. A high-speed scanner above a moving conveyor belt can identify the infrared signature of an individual plastic particle within a hundredth of a second.
An air jet then nudges the plastic off the conveyor belt, to join other polymers of the same sort.
One to two tonnes of mixed plastics now can be sorted per hour, says Mr Freegard, and then sold on, to be melted and fashioned into new products.
But recycling is still in its infancy, relatively speaking, and struggling to cope with the mountains of trash we produce, a lot of it from electrical and electronic gadgets.
Less than 16% of this e-waste is currently recycled or reused, and the amount being produced is growing quickly, up a third over four years according to the UN's Step Initiative.
Much of it ends up in places like Guiyu in China, and Agbogbloshie, a suburb of Ghana's capital Accra, where workers can become ill from the toxins, such as lead, mercury, and arsenic, found in mobile phones and other gadgets.
So researchers are working on electronic circuit boards that can dissolve in water.
"We discovered early in 2012 that silicon itself is water soluble," says Professor John Rogers of the University of Illinois at Urbana-Champaign, although it dissolves very slowly.
Circuit boards are generally 1mm thick, but only the surface is used to transport charge. So a circuit board of 100 nanometres - roughly a hair's breadth - can do the same job, but dissolve in a landfill site in three to six months, says Prof Rogers.
The concept has attracted attention in medical and military circles, he says, and about 12 research groups around the world are now making "really substantial" efforts in the field.
Mobile phone batteries are also potentially poisonous and difficult to recycle, but Joost de Kluijver, operations director at Dutch-based mobile phone recycler Closing the Loop, says new technologies are helping to alleviate the problem.
For example, Umicore has built a plant in Belgium that can smelt lithium-ion batteries at very high temperatures and extract the metals from the molten slag.
While in Germany, Accurec, has developed a way of extracting lithium using a vacuum.
Nature could even come to the rescue.
"A few bacteria, not many, have naturally developed the ability to precipitate out metals, in the form of nanoparticles," says Dr Louise Horsfall, a biotechnology lecturer at the University of Edinburgh.
Dr Horsfall is now genetically engineering them to process metals more effectively.
But as the developing world grows more industrial and urban, and the amount of waste we produce continues to rise, it's hard to see how such technologies alone will be enough to stem the tide.
For that, we'll need a fundamental rethink about the way we manufacture things and the materials we use.
Follow Technology of Business editor Matthew Wall on Twitter.


This big black bear forced a zoo in Alaska, USA, to close for a few hours after staff found the bear climbing in the trees.

23 July 2015 Last updated at 17:26 BST
He had a great time until it was ready to leave.
Staff from the zoo guided him out safely back into the wild.


It is 15 years since the National Assembly started in Wales and BBC Wales is looking at what devolution has meant for the NHS in Wales.

9 June 2014 Last updated at 06:55 BST
Is the NHS better since devolution and has the Welsh government delivered on its promises?
Firstly Dr Alan Rees, of the Royal College of Physicians, said there has been huge improvements over recent decades but the health service has been a victim of its own success.
Plaid Cymru health spokesperson Elin Jones AM argues that the NHS and health boards have failed to manage their finances.
Dr Tony Calland, of the British Medical Association, said the Welsh government had done its best but had underestimated the problems.


Scotland prop Rory Sutherland and scrum-half Nathan Fowles have signed new two-year contracts with Edinburgh, tying them to the club until May 2019.

Sutherland is currently recovering from a groin injury sustained in the autumn.
The 24-year-old, who turned professional with Edinburgh in 2014, won his three Scotland caps last year.
Fowles, 23, previously played for Sale Sharks and Preston Grasshoppers and joined Edinburgh in 2015 but is yet to feature at senior international level.
He has played for England Under-20s but qualifies to play for Scotland through his grandfather.
"I feel that the club is moving in the right direction and there's a lot to look forward to in the next few years," Fowles told Edinburgh's website. "I'm delighted to be staying.
"We're developing well as a team, in the way we want to play the game and the speed we want to play at, which is exciting for the players and fans."
And Sutherland said: "Everything is moving forward and I'm really happy to be a part of the team for another two seasons.
"There's a good feeling around the club just now and I feel that this is the right place for me to stay to take my rugby to the next level and try to continue being involved in the Scotland set-up."
Sutherland and Fowles follow flanker Hamish Watson, 25, in committing himself to Edinburgh until 2019.


BT Sport has won the exclusive rights to show the European Rugby Champions Cup and Challenge Cup from the 2018-19 season to the end of 2021-22.

Up to 134 matches a season will be shown live on TV in the UK and Ireland over nine weekends.
Live streams will also be available on the firm's app and website.
BT Sport also has the rights to the Aviva Premiership and the Anglo-Welsh Cup, It will show up to 69 live premiership matches this season.
The new European deal will kick in after the forthcoming season, the last of the current deal which has seen both BT Sport and Sky Sports sharing the rights to broadcast the competitions.
Vincent Gaillard, chief executive of European Professional Club Rugby, welcomed the news.
"We are delighted to move to a single pay-TV platform for European club rugby with a premium broadcaster in BT Sport, who share our commitment to the promotion of our competitions," he said.
"The interest that we have seen through the tender process shows how the tournaments continue to go from strength-to-strength."
As well as its rights to rugby union coverage, BT Sport holds live UK TV rights to 42 Premier League football matches per season, as well as exclusive rights to the Uefa Champions League and several other football competitions.


Ulster have been drawn to play Wasps, La Rochelle and Harlequins in Pool One of next season's European Champions Cup.

Wasps topped the Premiership last season, as did French side La Rochelle in the Top 14.
Leinster face English champions Exeter, Montpellier and Glasgow while Munster go up against Racing 92, Leicester and Castres.
The first round of fixtures will be staged on 13-15 October.
"It's an exciting draw and quite a formidable pool," said Ulster director of rugby Les Kiss.
"We have to front up against three very good teams although one plus is that we don't have to travel as far as the last two seasons."
Ulster, who won the competition in 1999, have failed to make it out of the pool stage in the last three seasons.
Harlequins finished sixth in the Premiership last season while Ulster were fifth in the Pro12.
The sides met in the 2008/9 Heineken Cup with Harlequins winning at The Stoop before a Belfast victory for Ulster.
Defending champions Saracens have been drawn in the same pool as runners-up Clermont Auvergne.
The London club retained their title with a 28-17 win over the French side at Murrayfield last month.


A hoard of Nazi-era artwork can be donated to a museum in Switzerland, a court in Germany has ruled.

The paintings and drawings belonged to Cornelius Gurlitt, whose father was an art dealer in Hitler's Germany.
The son died nearly three years ago and left the works to the Museum of Fine Arts in Bern but a relative contested the will.
Works by Pablo Picasso, Henri Matisse and Marc Chagall feature in the collection.
Some of the pieces are believed to have been stolen from Jewish owners.
Gurtlitt's cousin, Uta Werner, launched the court challenge and staked a claim to the collection.
But the German court rejected her argument, finding insufficient evidence that Gurlitt had not been of sound mind when making the decision.
It is thought the collection will go on public display next year.
The Bern museum welcomed the ruling and said it will not keep all the works, just those that "most probably were not looted".
It said it would be working closely with the German government and experts at the German Lost Art Foundation to research the back story of each work and begin restitution cases where applicable.
Gurlitt was known to be a reclusive man, who hid hundreds of works in his homes in the German city of Munich and Austrian city of Salzburg.
His father Hildebrand, as an art dealer for the Nazis, sold works stolen from Jews or confiscated as "degenerate" works.
More than 1,400 works were discovered in 2012 after Gurlitt's apartment was searched in a tax inquiry. Some have already been reunited with their owners and a few have been sold at auction.
Six months before he died, Gurlitt told Der Spiegel magazine, "I haven't loved anything more than my pictures in my life."


A 17-year-old boy has become the 14th teenager to be fatally stabbed in London this year.

The victim was found with fatal injuries in Yoke Close, off North Road, Holloway, at about 20:50 GMT on Monday.
The Met Police said he was declared dead about 30 minutes later. The force said they know his identity and his next of kin have been informed.
In an unconnected stabbing, a 16-year-old boy sustained a leg injury earlier, close to Havering College in Romford.
His injuries are not life threatening.
A man, aged 18, has been arrested on suspicion of causing grievous bodily harm (GBH) and remains in custody.
Police said they were keeping an open mind as to the possible motive for the fatal stabbing and have yet to make an arrest.
The mayor of London, Boris Johnson, said the death shows the need for more stop-and-searches to tackle knife crime.
"It's got to be done sensitively, it's got to be done in accordance with the law, but we've got to take knives off the streets," he said.
According to the Met, the number of stop-and-searches in London has fallen by 66% this year.
A spokeswoman said almost one in three of all searches result in the discovery of an illegal object or the detection of a relevant crime.
Home Secretary Theresa May said last year the technique was being misused so frequently that it was damaging relations between the public and police.
George Kinsella's 16-year-old son Ben was stabbed to death in North Road in 2008, close to last night's incident.
"The kids that want to carry knives know that there is a possibility they won't be stopped and searched now, so therefore it is easier to move and carry knives about," Mr Kinsella told BBC Radio London.
Ben Kinsella's sister Brooke tweeted: "Another life lost to knife crime in Islington last night. Someone else's son, someone else's brother. Hard to have hope sometimes."
The Met's spokeswoman said there was "no robust evidence that proves or disproves that the level of stop and search is a factor" in the rise in fatal stabbings.
"However, some communities understandably feel that the fall in stop and search may have reduced the deterrent to carrying knives. We remain fully committed to doing all we can to reduce knife crime, to tackle London's gangs and take more knives and weapons off our streets and this includes use of legal powers such as stop and search. "
Updates on this and more from around London
The families of murder victims marched through central London on Sunday in a protest against knife crime.
Caroline Pidgeon, the Liberal Democrat mayoral candidate, said every school in London needed to adopt a programme to teach pupils about the dangers of carrying knives.
"Some schools don't want to engage with a knife crime programme. They think there's a stigma," she said.
A 15-year-old boy has been charged with attempted murder after two pupils were stabbed at a school in Dulwich last week.


The dusty, dented and neglected body of a 1930s Austin 7 car has been sold for £18,480 at auction after sitting in a Gloucestershire barn since the 1960s.

The body, minus the wheels, engine and rear axle fetched more money than its roadworthy equivalents at the auction.
Auctioneer Richard Edmonds said: "I think we had some very keen bidders at the sale looking for a restoration project."
A total of 16 Austin 7s were sold in the auction.
The Austin 7 was one of the most popular cars produced for the British market with more than 290,000 made between 1922 and 1939.
But Richard Edmonds Auctions, which ran the sale, said a Morris Model G taxi, the last of its kind, failed to sell due to a lack of interest.


Port Vale have confirmed that 13 senior players will exit the club following their relegation to League Two.

Winger Jerome Thomas, forward JJ Hooper and striker Rigino Cicilia are on the list of players leaving Vale Park.
Andre Bikey, Chris Eagles, Ben Purkiss, Ryan Taylor and Adam Yates are in discussions about their futures, while midfielder Sam Foley has already been offered a new deal.
Vale will play in the fourth tier for the first time since 2012-13 next term.
Michael Brown, who had been caretaker manager for the second half of the 2016-17 campaign, was appointed on a full-time basis shortly after relegation was confirmed.
He made his first summer signing on Thursday, bringing striker Tom Pope back to the club from Bury.
Anthony de Freitas, Anton Forrester, Nathan Smith, Dan Turner, Paulo Tavares, Kjell Knops, Chris Mbamba
Ryan Boot, James Gibbons, Billy Reeve, Danny Pugh
Sebastien Amoros, Ryan Lloyd, Harry Pickering, Scott Tanser, Sam Johnson, Deniz Mehmet, Jerome Thomas
JJ Hooper, Quentin Pereira, Remie Streete, Riginio Cicilia, Sam Kelly, Kiko


Sam Williams' last-gasp conversion foiled a Salford fight-back and earned Wakefield back-to-back Super League wins in a thriller at Belle Vue.

Reece Lyne and Jacob Miller tries had Wakefield 12-2 up at the break, but Ben Murdoch-Masila, Kris Welham and Greg Johnson scores turned the game around.
George Griffin's try looked to have secured the points but Bill Tupou crossed to keep Trinity in the game.
Lyne squeezed in to level, and Williams stayed cool to kick the winning points.
Wakefield ended a run of 12 games without a win against St Helens last time out and showed the character to revive this game when it looked as though Salford had finished them off.
Lyne celebrated his new two-year contract with his finishes, both well taken out wide, but a late injury to him could rule him out for some time while the guile of Williams was matched by his kicking and that proved crucial.
The visitors, who beat Warrington impressively last week, could have retaken the lead and settled the game with the last play but Murdoch-Masila was unable to retain his grasp on the ball over the line.
Wakefield head coach Chris Chester: "I thought we'd won it and thrown it away. It's a great win for us but we got out of jail. It shows the character and belief that we can come back and get a result when we looked like we weren't going to get anything from the game.
"I'm happy for the fans because it's the first time we've won at home since we beat Warrington here last May. I'm pleased we've been able to send those people home happy.
"We don't know exactly what Reece Lyne has done but it looks like a nasty knee injury. It's disappointing for Reece but it gives an opportunity to Joe Arundel next week."
Salford head coach Ian Watson on Mudoch-Masila's spill in the last moments: "At full speed it looks like he has dropped it but a Sky camera might tell you different because you've seen them given before.
"It's probably a case for having Sky cameras at every game but there's obviously a cost to the RFL. To be fair we should have drawn the winger and passed to Kris Welham who would have probably scored in the corner.
"It's a tough loss for us but it's a lesson we've got to learn. You can't question the players' desire, it was a bit of smartness that let us down, especially in the first half."
Wakefield: Grix; Caton-Brown, Lyne, Tupou, Johnstone; Miller, Williams; England, Wood, Huby, Ashurst, Hadley, Arona
Replacements: Batchelor, Fifita, Allgood, Finn
Salford: O'Brien; Johnson, Welham, Evalds, Carney; Lui, Dobson; Mossop, Tomkins, Tasi, Jones, Murdoch-Masila, Flanagan
Replacements: Kopczak, Griffin, Krasniqi, Brining
Referee: Robert Hicks


A Scottish Borders community was left without power for several hours after a car left the road and hit an electricity pole.

Scottish Power engineers were called in after the incident involving a Vauxhall Corsa on the A698 near Denholm Bridge at about 12:30.
The road was closed while repair work was carried out.
Police said many homes and businesses around Denholm were affected by the power cut.
The male driver of the car and three passengers suffered minor injuries in the incident.
Police have appealed for members of the public who saw the vehicle before the collision to get in touch.
The A698 near Denholm was expected to reopen on Saturday evening.


A £100m redevelopment of a Speyside distillery has been given the go-ahead by planners.

Edrington Group wants to expand production and warehousing at its Macallan distillery near Craigellachie, as well as creating a new visitor centre.
Moray Council's planning committee  unanimously approved the plans.
Work on the project is expected to start later this year, with completion due in 2017.
When the plans were announced, Edrington chief executive Ian Curle said they were a "confident investment in the future of The Macallan and its home on Speyside".
The Glasgow-based whisky and rum distiller, which also produces Famous Grouse whisky, announced increased profits and turnover last summer.


Manchester United have signed Torino defender Matteo Darmian for an undisclosed fee, reported to be £12.7m.

The 25-year-old Italy international has signed a four-year deal at Old Trafford, with the club having the option of a further year.
"To work with Louis van Gaal, a manager that has achieved so much in football, is such an exciting prospect," he said.
Darmian made 146 appearances for Torino since making his debut in 2011 and has 13 full international caps.
He started all three of Italy's matches at last year's World Cup in Brazil.
"Matteo is a right-sided full-back with the versatility of also being able to play on the left," said United boss Van Gaal.
"He is a strong defender and has the ability to go forward in the attacking positions which is a fantastic attribute to have and much needed in the fast rhythm of the Premier League."
His signing follows confirmation that a deal has been agreed with Bayern Munich for midfielder Bastian Schweinsteiger to move to Old Trafford.
Darmian is United's second summer signing following the arrival of £31m winger Memphis Depay.
There has still been no resolution to any potential transfer deal with Real Madrid involving Spain defender Sergio Ramos and United goalkeeper David De Gea.
United have also had a bid rejected for Southampton's France midfielder Morgan Schneiderlin.
Van Gaal's side leave for a pre-season tour of the United States on Monday.
Find all the latest football transfers on our dedicated page.


Former Fifa president Joao Havelange has resigned from the International Olympic Committee (IOC) days before an ethics hearing into his conduct.

The 95-year-old was facing suspension over his involvement with Fifa's former marketing agency International Sport and Leisure (ISL).
The BBC's Panorama claimed in 2010 that Havelange accepted money from ISL for granting lucrative World Cup contracts.
Havelange was the IOC's longest-serving member having joined in 1963.
He served as Fifa president between 1974-98 before he was replaced by Sepp Blatter.
The IOC released a statement which read: "The IOC confirms that it has received the resignation letter from Mr Joao Havelange as IOC member."
Fifa also confirmed Havelange's resignation adding: "Fifa has taken note of Joao Havelange's resignation as IOC member and the fact that the IOC has closed the case accordingly."
Two other IOC members, International Association of Athletics Federations president Lamine Diack and Issa Hayatou, president of the Confederation of African Football, will have their cases considered by the IOC on Thursday.
With his resignation the ethics case against Havelange is likely to be dropped.
Last month Blatter said he expected at least one member of Fifa's current 24-man ruling panel to leave his post because of the ISL kickbacks case.
The marketing agency owned the World Cup television rights until it went bankrupt in 2001 with debts of around $300m (£192m).
In 2010, Fifa said two senior officials repaid kickbacks then worth $5m (£3.2m) on condition of anonymity. It has since blocked the court in Zug, Switzerland from releasing documents.
Panorama named the officials as Havelange and Ricardo Teixeira, a Fifa executive committee member, and Havelange's former son-in-law.
Both have denied the allegations.
Blatter, who is also an IOC member, has asked an external committee to lead an investigation into the collapse of ISL and will publish the dossier on 17 December after his executive committee meets in Tokyo.
An as-yet undisclosed outside body will later advise Fifa's high command on what action to take if it finds members guilty of wrongdoing.
Havelange competed in the 1936 Olympic Games in Berlin as a swimmer and the 1952 Games in Helsinki in the Brazilian water polo team before he joined the Brazilian Olympic Committee in 1955.
He served as president of the Brazilian Sports Confederation from 1958 to 1973 before taking on his presidential role at football's world governing body.
Havelange is the first member to resign from the IOC in an ethics case since former vice-president Kim Un-yong of South Korea stepped down in 2005 rather than face expulsion.


Scottish Championship sides Dundee United, Falkirk and St Mirren have all made deadline day signings.

United have signed forward Alex Nicholls, 29, on loan from Barnet for the rest of the season.
Carlisle midfielder Joe McKee is also coming to Scotland on loan for the rest of the season, with the 24-year-old joining Falkirk, subject to clearance.
And the Buddies have signed defenders Adam Eckersley, 31, and Harry Davis, 25.
Former Hearts and Hibernian defender Eckersley joins the Paisley side for the rest of the season after leaving Canadian club Edmonton, while Crewe Alexandra's Davis is on loan at St Mirren until the summer.
Elsewhere, Raith Rovers have signed defender David Syme following his release by Partick Thistle while Declan McDaid, who has also left the Jags, has joined Ayr United.
Meanwhile, forwards Tope Obadeyi and Justin Johnson have left Dundee United by mutual consent.
Of McKee's signing, Bairns manager Peter Houston said: "Joe is a target I have had in mind for some time and we have worked extremely hard throughout the day to get this one over the line.
"I believe I am adding both strength and quality to the squad with the signing of Joe having watched him in various matches over recent years."


A Hong Kong property tycoon, Thomas Kwok, has been sentenced to five years in jail for corruption.

The former co-chairman of Sun Kung Kai Properties, was fined HK$500,000 ($64,440, £41,327) in a highly publicised graft case.
He was found guilty of one count of conspiracy to commit misconduct in public office, while his younger brother Raymond was cleared of charges.
The firm had said on Friday that Kwok would appeal against the conviction.
Kwok, 63, resigned as chairman and managing director of the city's largest property developer after the verdicts were delivered last week.
He was convicted of giving bribes totalling $1.1m to former government official Rafael Hui in exchange for information on land sales between 2005 and 2007.
Hui, 66, is also facing a jail sentence after being found guilty on five of the eight charges against him.
The seven-month trial shocked the city and saw the valuable developer's shares tumble, erasing billions in market value since the brothers were arrested over two years ago.
The Kwok brothers are estimated to be worth more than $14bn, ranking them among Asia's richest people.


A telephone used by Adolf Hitler during World War Two is to be auctioned in the US this weekend.

The red phone, which has the Nazi leader's name engraved on it, was found in his Berlin bunker in 1945.
Soviet soldiers gave it to British Brg Sir Ralph Rayner as a souvenir shortly after Germany surrendered.
Auction house Alexander Historical Auctions says bidding in Chesapeake City, Maryland, will start at $100,000 (Â£80,567).
It hopes that the phone, which is being sold by Sir Ralph's son, can fetch as much as $300,000.
Auction house official Bill Panagopulos said the phone was a "weapon of mass destruction", as it was used by Hitler to give orders that took many lives during the war, the Associated Press reports.