Fuel supply to the engines of the Air India plane that crashed last month was cut off just seconds after the flight took off, a preliminary report by Indian aviation accident investigators has said.The London Gatwick-bound flight came down in a residential area of Ahmedabad on 12 June,

The crash of Air India Flight 171 seconds after takeoff on June 12 killed all but one of the 242 people on board. An additional 29 people on the ground were also killed.