A United States Marine Corps aircraft crashed on a north Australian island on Sunday, killing three Marines and injuring 20 others taking part in a multi-nation training exercise, officials said.Five of the injured were in a serious condition and were flown 50 miles (80km) to the mainland city of Darwin for hospital treatment after the Bell Boeing V-22 Osprey tiltrotor aircraft crashed on Melville Island at around 9.30m local time, a corps statement said.Australian Prime Minister Anthony Albanes

A United States Marine Corps aircraft crashed on a north Australian island on Sunday, killing three Marines and injuring 20 others taking part in a multi-nation training exercise, officials said.Five of the injured were in a serious condition and were flown 50 miles (80km) to the mainland city of Darwin for hospital treatment after the Bell Boeing V-22 Osprey tiltrotor aircraft crashed on Melville Island at around 9.30m local time, a corps statement said.Australian Prime Minister Anthony Albanese made this statement before the fatalities were announced.