US grounds flights after air traffic control outage
In short
The US grounded all flights nationwide after a communication outage affected air traffic control centres.
Authorities are investigating a telecommunications failure. Airlines faced widespread disruption because of the stoppage.
What the reporting says
Authorities were investigating a telecommunications failure that disrupted airline operations. The nationwide stoppage caused widespread travel disruption, with the source giving no timing for a return to normal service.
Why it matters
The United States grounded flights nationwide after a communication outage affected air traffic control centres, disrupting airline operations across the country. Authorities were investigating the telecommunications failure behind the outage.