At 2:05 p.m., an Allegiant Air flight took off from St. Pete–Clearwater International Airport en route to Roanoke. According to PIE’s on-call public information officer, two passengers aboard the plane got into a verbal altercation shortly after takeoff, prompting one of them to threaten that there was a bomb on board.

Major Canadian airports are returning to normal operations after they were forced to delay some morning flights on Thursday because of bomb threats.The threats affected facilities in Ottawa, Montreal,