At least ten people were killed on Tuesday after two helicopters collided mid-air during a rehearsal for a Royal Malaysian Navy parade, news agency Reuters said, citing a navy statement. According to an official statement, all 10 crew members on board the plane were killed in the crash at Lumut Naval Base in the western state of Perak at 9.32am (local time). “All the victims were confirmed dead at the scene and sent to the Lumat Army Base Hospital for identification,” Reuters quoted the Royal Malaysian Navy as saying on the matter.