Seven U.S. marines killed in Arizona helicopter collision

Reuters News

2/23/2012 9:18:46 AM - Reuters News

WASHINGTON (Reuters) - Two U.S. military helicopters collided over a training range in Arizona on Wednesday killing seven Marines, the Marines said on Thursday.

The aircraft, an AH-1W "Cobra" and an UH-1Y "Huey," were conducting routine training operations when the incident occurred.

(Reporting by Phil Stewart; Editing by Vicki Allen)