Multiple flights affected at Pearson after fibre cable issue disrupts eastern U.S. airports CTV News Some flights resume after ground stops at major U.S. airports, including New York's JFK and LaGuardia CBC Fiber cut by construction crew leads to ground stop and delays at several major airports CNN FAA grounds flights at major Northeast airports after fiber line cut Fox Business Flights are disrupted across US Northeast because of technical problems at a key air traffic center Toronto Star