YUMA, Ariz. (AP) - The U.S. Marine Corps reports two pilots have died in a helicopter crash near Yuma, Arizona.

A statement from the Marine Corps Air Station that was posted on Facebook says the crash occurred at about 8:45 p.m. Saturday.

The Marine Corps says the pilots of the AH-1Z Viper were conducting a routine training mission.

The cause of the crash is under investigation.

The names of the pilots who were killed have not been released pending notification of their families.

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