US: Three army pilots killed, one injured after helicopter collision in Alaska

Two soldiers were declared dead at the scene and a third died on the way to hospital, the army unit said in a statement.

Three U.S. Army pilots were killed and one was injured in Alaska on Thursday when two Apache helicopters returning from a training mission collided in flight, the 11th Airborne Division of the Army said.

A U.S. Apache helicopter (Representative picture) (AP)

Two soldiers were declared dead at the scene and a third died on the way to hospital, the army unit said in a statement. The injured soldier was being treated at Alaska's Fairbanks Memorial Hospital.

The accident will be investigated by a team from the Army Combat Readiness Center in Alabama, the Division said.

Last month, nine soldiers were killed in a crash of two medical evacuation Black Hawk helicopters during a routine night training mission over Kentucky.