An Air Canada plane collided with a fire truck on a runway at LaGuardia Airport, killing two pilots and injuring dozens. Investigations into the fatal crash are now focusing on the fire truck's lack of a transponder, which would have shown its location to the control tower and activated a runway warning system.

LaGuardia Airport has reopened following a deadly Air Canada Express collision with a fire truck on a runway, which killed two pilots and injured dozens. A video of the incident has emerged as the investigation into the crash continues.