Search teams have retrieved the flight data and cockpit voice recorders of a passenger plane that plummeted into a gorge on approach to a new airport in the foothills of the Himalayas, officials said, as investigators look for the cause of Nepal's deadliest plane crash in 30 years.At least 69 of the 72 people on board were killed, and officials believe the three missing are also dead.

Search teams have retrieved the flight data and cockpit voice recorders of a passenger plane that plummeted into a gorge on approach to a new airport in the foothills of the Himalayas, officials said, as investigators look for the cause of Nepal's deadliest plane crash in 30 years.At least 69 of the 72 people on board were killed, and officials believe the three missing are also dead.