US ground stop: Mullin says it's a telecom blackout, not another 9/11, because FAA flights.
The US Federal Aviation Administration (FAA) ordered a nationwide ground stop, halting all outbound flights and affecting about 7,000 flights. According to him, the move followed a disruption to the communication systems and the radar capabilities used by the air traffic controllers. Transport Minister Sean Duffy says it affects all air traffic control centres.