Malaysia navy helicopters collide in mid-air, killing all ten onboard

Videos on social media show helicopters flying in formation when one clipped another and both crashed

Two Malaysian navy helicopters have collided in mid-air during a rehearsal for a parade, killing all 10 crew members on board, the navy has said.

The incident occurred at the Lumut naval base in the western state of Perak at 9:32am on Tuesday (0132 GMT), the navy said in a statement.