Hawthorne Army Depot Explosion Occurs During Marine Corps Training Exercise, Seven Killed [UPDATE]

03/19/2013 08:28 am ET | Updated May 19, 2013


RENO, Nev. -- An official at the Hawthorne Army Depot in Nevada says an explosion has occurred during a Marine Corps training exercise.

Russ Collier told KRNV-TV in Reno that the explosion Monday night was an accident unrelated to the ammunition that is stored at the military facility near the small desert community of Hawthorne, about 140 miles southeast of Reno.

There was no immediate information of any injuries. Calls to the depot and to U.S. Joint Munitions Command, which oversees the facility, were not immediately answered.

The Mineral County sheriff's office says it does not have any details.

The Hawthorne Army Depot stores and disposes of ammunition. The facility is made up of hundreds of buildings spread over more than 230 square miles.

In Washington, Army spokesman George Wright says he as yet had no details on the explosion.

UPDATE -- 8:47 a.m.: NBC News reports that six Marines were killed and eight were wounded during the incident:

UPDATE -- 9:16 a.m.: NBC News is now reporting seven marines were killed in the explosion:

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