Watch: 'Stop, stop, stop' heard from control tower during LaGuardia airport collision

In the audio recorded on Sunday night, a voice could be heard telling a vehicle multiple times to 'stop', before a regional jet struck a fire truck on a runway while landing at New York's LaGuardia Airport. The pilot and copilot were killed in the collision, which crushed the nose of the aircraft, while 39 passengers and crew members were taken to area hospitals, some with serious injuries...