WASHINGTON — The Federal Aviation Administration (FAA) issued a nationwide ground stop for departing flights across the United States following a sudden telecommunications outage that disrupted air traffic operations.

The communications failure affected critical aviation systems, prompting safety regulators to halt departures nationwide while technicians worked to address the issue. The disruption impacted airports across the country, leaving passengers facing widespread delays.

Authorities have not yet specified the exact cause or duration of the telecommunications failure, but the ground stop remains in effect as safety protocols are enforced.