A corrupted file has been blamed for a glitch on the Federal Aviation Administration’s computer system which saw every flight grounded across the US.
All outbound flights were grounded until around 9am Eastern Time (2pm GMT) on Wednesday as the FAA worked to restore its Notice to Air Missions (NOTAM) system, which alerts pilots of potential hazards along a flight route.
As of 3pm GMT yesterday 4,948 flights within, into or out of the US had been delayed, according to flight tracker FlightAware.com, while 868 had been cancelled. Most delays were concentrated along the East Coast.
Normal air traffic operations resumed gradually across the US following the outage to the NOTAM system that provides safety information to flight crews.
A corrupted file affected both the primary and the backup systems, a senior government official told NBC News on Wednesday night, adding that officials continue to investigate.
“We are continuing a thorough review to determine the root cause of the Notice to Air Missions (NOTAM) system outage” the FAA said in an update yesterday.
“Our preliminary work has traced the outage to a damaged database file. At this time, there is no evidence of a cyberattack.”
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It added work was ongoing to “further pinpoint the causes of this issue” and take “all needed steps to prevent this kind of disruption from happening again”.
‘Almighty mess’
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Sky News correspondent Mark Stone, who was at Ronald Reagan Airport in Virginia, said at the time of the outage: “Well an almighty mess for the aviation industry in the United States.
“We were told that the NOTAM system had failed, which is part of the air traffic control system. This is critical for flights to be able to take off safely. So as a consequence the busiest airspace in the world, the airspace over the United States, didn’t open as it should have done.
“Looking at the flight tracker websites it was very clear you could see flights clustered around many cities around the United States and none of them taking off. Chaos for passengers, as you might imagine.”
No evidence of cyberattack
US President Joe Biden was briefed on the outage, his press secretary Karine Jean-Pierre said.
She said there was no evidence a cyberattack was behind the glitch, “but the president directed [the US Department of Transport] to conduct a full investigation into the causes”.
Mr Biden told reporters during the outage yesterday: “They don’t know what the cause of it is, they expect in a couple of hours they’ll have a good sense of what caused it and will respond at that time.”
The president added that he had spoken to Transportation Secretary Pete Buttigieg on the phone, and told him “to report directly to me when they find out”.
Several people tweeted to say they had been stranded due to the outage, with one passenger at Paris’ Charles de Gaulle airport saying no flights were flying to the US.
A total of 21,464 flights were scheduled to depart airports in the US today, according to aviation analytics firm Cirium.
Nearly 2.9 million seats are available on those departures.
Donald Trump says he would end Russia’s war in Ukraine should he return to the White House – but any rushed deal will likely leave Kyiv much weaker and European security in even greater peril.
Another major flashpoint a Trump presidency would immediately seek to influence is the escalating conflict between Iran and Israel.
Mr Trump came close to direct war with Tehran during his first term in office and prior restraint could well give way to direct confrontation this time around.
Then there is the overwhelming longer-term challenge posed by China, with North Korea another growing headache especially after Mr Trump tried but failed to woo the leader of the hermit state during his first stint as commander-in-chief.
With the US election on a knife edge, hostile and friendly capitals around the world have been gaming what a second Trump White House might mean for their respective national interests and for the most pressing global security threats.
Mr Trump’s track record of unpredictability is a challenge for traditional foes – but also for Washington’s closest allies, in particular fellow members of the NATO alliance.
The Republican nominee has made no secret of his frustration at how the US has for decades bankrolled the security blanket that protects Europe.
During his first term as president, Mr Trump threatened to withdraw the US from the alliance – a move that would almost certainly sound its death knell. His rhetoric did help to spur allies to dig deeper into their pockets and spend more on their militaries, though.
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But the damage of years of underinvestment is deep and the pace of recovery is too slow for European NATO allies and Canada to credibly stand on their own as a potent military force any time soon.
In terms of immediacy when it comes to global crises, the impact of a Trump victory on 5 November would be felt most acutely by Ukraine and also by Iran.
The presidential candidate has repeatedly claimed that he would quickly end the Ukraine war, though without explaining how or what peace would look like.
In an indication of where his priorities lie, however, he has accused Ukrainian President Volodymyr Zelenskyy of being the “greatest salesman on earth” for securing tens of billions of dollars in weapons and other assistance that Washington has given to Kyiv.
Yet – coupled with Ukraine’s willingness to fight – that military aid is the biggest reason why Ukraine has managed to withstand almost 1,000 days of Vladimir Putin’swar.
Stop the flow of American weapons, and Ukrainian troops – despite their own ingenuity and the support of other allies – will simply lack the firepower to keep resisting the onslaught.
By contrast, US vice president Kamala Harris, who is vying for the top job, has made clear that she views continued support to Ukraine as being as vital to US and Western interests as it is to Kyiv’s – a far more familiar stance that echoes the view of her NATO partners.
While US support for Ukraine would undoubtedly change under a Trump administration, that is not the same as facilitating a complete surrender.
The former president – who portrays himself as the ultimate dealmaker and has adopted a new election slogan – “Trump will fix it” – will not want to be held responsible for the total absorption of Ukraine into Mr Putin’s orbit.
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How does the US election work?
Putin and Iran
His relationship with the Russian president is a particularly interesting dynamic.
But with the right advice, might a future President Trump be able to use his connection with Mr Putin to the West’s advantage?
At the very least, it adds a new level of unpredictability – which is perhaps the most important element when it comes to assessing the potential impact on the world of a second Trump term.
On Iran, in stark contrast to his approach to Russia’s war in Ukraine, a future President Trump may well back much greater US military support for Israel’s conflict against Tehran and its proxies – perhaps even direct involvement by US forces in strikes on Iran.
Mr Trump has an even tougher stance towards Tehran and its nuclear ambitions than Joe Biden’s administration.
His decision to rip up a major nuclear deal with Iran was one of his most significant foreign policy acts during his four years as president.
It is also personal, with Iran accused of hacking the Trump campaign in recent months – an attack that would surely only heighten tensions with Iran during any second Trump term.
On election night, Sky News will have access to the most comprehensive exit poll and vote-counting results from every state, county and demographic across America through its US-partner network NBC.
You can find out more about Sky News’ coverage here.
A red alert warning of “extreme danger” because of torrential rain has been issued for Barcelona, as elsewhere in Spain search teams continue to scour flooded areas for bodies.
At least 217 people have died after heavy rain in eastern Spain caused flash floods that swept away almost everything in their path.
People were trapped in cars, homes and businesses as the waters surged through the disaster zone last week.
Six days later, the search and rescue operation continues for the unknown number of missing people, with thousands of soldiers brought in to help.
And as communities continue to reel from the catastrophic floods – and mourn their losses – more rain is forecast for parts of the country.
Today, the local government in Catalonia has warned of “continuous and torrential” rain in two regions, saying people should avoid travel and stay away from streams and ravines.
A red alert “extreme danger” warning has been issued for Barcelona.
“Do not travel unless strictly necessary,” the alert told people nearby.
Footage on social media shows heavy rainfall overwhelming stairwells and leaving streets strewn with water.
Dozens of flights have been cancelled at El Prat airport after the terminal building was flooded.
Elsewhere in eastern Spain, much attention has been paid to an underground car park in Aldaia, where emergency services have been trying to drain the floodwater to gain access.
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Search for bodies in flooded car park
There has been anger at the response from authorities and a group of survivors hurled mud and insults at Spain’s King Felipe when the monarch visited one of the worst-affected towns.
By the time authorities sent alerts to mobile phones warning of the seriousness of the flooding and asking people to stay at home, many were already on the road or in places like underground garages that became death traps.
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Protesters throw mud at King of Spain
Valencia’s MotoGP race, which had been scheduled for later this month, has been cancelled after floods wrought destruction on the track.
Thousands of volunteers have been helping to clear away thick layers of mud from streets and homes.
The story of these floods has been full of grim, unsettling images.
Now there is another one – the Bonaire shopping centre in Aldaia.
Today, it was an awful place. Not because of the immense damage wrought by the floods, but because of the horror that may lie ahead.
The emergency services are pumping out the underground car park that lies beneath this retail complex, one of the biggest in the country, and they don’t know what they will find.
There will be bodies – that seems sure. The question is how many. And the fear is that it could be dozens.
You can see the ramps that run down to the car park, and you can also see the water level glistening, not far down the ramp.
Pumping out this entire car park will be a marathon job. Searching it will take patience, specialist equipment and stoicism. There will surely be grim discoveries down there.
Scuba diving teams have been sent in, but we were told that they have been unable to go into the water so far. It is full of debris, oil, diesel, and goodness knows what else.
Today we saw an array of equipment being delivered – boats, pumps, a military ambulance, kayaks and lifting machinery.
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An enormous amount of resource is being thrown at this, at a time when so many towns are complaining that they feel forgotten.
Cristina Vano, a judicial expert, is working here as a volunteer, checking the cars strewn around in the ground-level car parks.
Her job is to peer inside and see if she can see a body. If she can’t, she puts an X on the side using coloured tape; if she can, she calls the police.
She is waiting for the first vehicles to be pulled from the Bonaire underground car park, and she is steeled for it to be a horrible experience.
“There is space for 1,700 cars in there,” she says.
“We were told it wasn’t full, but there were certainly many cars in there. The problem is that a lot of people took refuge there, so we don’t know what to expect.
“The police in Aldaia were talking about us finding maybe 80 people – I hope it will be less. It’s really sad, but we are expecting a lot.”
We speak to the police, who tell us that searching the car park will be a long and complicated process.
They don’t want to make any estimates about the number of cars involved, nor the number of people. But someone involved in the operation speaks to us after coming out.
“A lot more than a hundred cars are in there,” the person says. “Maybe hundreds.”
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Protesters throw mud at King of Spain during visit to Paiporta
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There is an army officer, from special services, who tells me that his unit of Green Berets are ready to do anything that is needed. They have been helping to clear out the shopping centre for days now, and will continue. But he knows this is not a quick job.
On the far side, we see a group of firefighters walking slowly away from that cursed ramp that leads down to the car park. Their faces are drawn, an expression that we see a lot during a day observing this recovery mission.
Everyone involved in this knows that there is no chance of finding a survivor in this flooded car park. All they can do is hope that it’s not as bad as they fear.