MONTREAL - The union representing American air traffic controllers has acknowledged allegations that two members left work early shortly before an Air Canada regional jet crashed at LaGuardia Airport in

Two LaGuardia Airport air traffic controllers in the control tower left work early the night an Air Canada Express flight collided with an airport fire truck on the runway,…

The March 22 collision between an Air Canada plane carrying 72 passengers and four crew and a fire truck on killed two pilots and seriously injured six others.