FORT HOOD, Texas - U.S. Army officials say four people have died in a helicopter crash at Fort Hood.

A statement from the Fort Hood public affairs office says a UH-60 helicopter aircraft carrying four crew members crashed sometime after 5:49 p.m. Monday in the northeast portion of the sprawling Texas military post.

Emergency crews located the scene of the incident and reported that the four crew members were found dead.

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Officials say the crew was assigned to Division West, First Army, and were on a routine training mission at the time of the crash.

The cause of the crash is unknown. A board will be assigned to investigate.

The names of the crew members will be released pending notification of their families.

No further details were immediately available.