SOUTH KOREAN soldiers salute in front of a huge national flag in Pohang, South Korea, Sept. 30, 2021. 鈥 LEE JIN-MAN/POOL VIA REUTERS

SEOUL 鈥 A South Korean Army AH-1S Cobra attack helicopter crashed on Monday during a training flight in the northern county of Gapyeong, killing both crew members on board, the country鈥檚 military said.

The helicopter went down shortly after 11 a.m. (0200 GMT) for reasons that remain unclear, it said in a statement.

The two crew members were evacuated to nearby hospitals but were later pronounced dead.

The Army has suspended operations of all AH-1S helicopters following the accident and set up an emergency response team to investigate the cause of the crash.

The training involved practicing emergency landing procedures without shutting down the engine, according to the military. 鈥 Reuters