US flight departures resume after FAA lifts nationwide ground stop

The Federal Aviation Administration (FAA) says airplane departures can resume after the agency lifted a nationwide ground stop caused by communications problems. Air travel across the United States had come to a halt earlier on Friday afternoon after the ordered all flights grounded because of a communications breakdown at the regional centres that manage the country’s air traffic. The grounding forced the cancellation of nearly 5,000 flights and marked the longest nationwide shutdown of...