Travellers passing through JFK airport in New York City last night went through a truly frightening ordeal as police shut down the entire building amid fears that there was an 'active shooter' in the building.
Police evacuated terminal 8 at an estimated time of 21:30 on Sunday night after people at the airport claimed to have heard two gunshots, whilst terminal 1 met the same fate 45 minutes later as the entire airport went into lockdown.
Planes were grounded for hours, and incoming aircraft were diverted to Buffalo airport, almost 400 miles away, much to the frustration of passengers, who had just been preparing to end their flights.
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Videos soon began to surface on social media of the pandemonium, several of which you can watch below, as travellers were ordered to lay down on the ground with their hands in the air by police carrying frighteningly powerful looking guns.
In the tweets below, you can see footage from witnesses at the airport, with one of them clearly shaken up and worried about the ongoing events.
JFK airport is the main port for British tourists, and so planes were stuck at Heathrow airport for some time.
Tony Brown from the BBC tweeted the following:
The Port Authority of New York and New Jersey, which runs JFK, say that they could not discover the source to any gunshots.
Shortly after the panic, a senior law enforcement official told NBC News that the clapping, cheering, and banging from sports fans watching Usain Bolt's 100m sprint race could have been misinterpreted for gunshots.
The Jamaican won the 100m sprint to claim yet another Olympic gold medal, which he can add to his trophy cabinet with pride as he soon expects to retire.
Well, not many people can come out of an airport after a terrorist threat and laugh about it, can they?