US airspace reopening after rare shutdown | BBC News
US Transportation Secretary Sean Duffy says a nationwide ground stop has been lifted after an outage halted all flights.
Duffy says the travel chaos is going to take time to unwind, with many passengers still stranded at airports.
White House officials said earlier the ground stop was due to an air traffic control communications issue.
There’s zero evidence this was a cyber-attack against the US, Homeland Security Secretary Markwayne Mullin says.
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