A United Arab Emirates (UAE) military helicopter crashed during a routine mission (UAE) on Sunday.

The UAE Armed Forces said in a statement that a pilot and his co-pilot were killed in the crash, which occured during a routine flight in international waters, according to the official WAM news agency.

The statement, however, gave no details about the cause or site of the crash.

Last month, a pilot and his instructor were killed when a military plane crashed in the UAE.