A cut in the fuel supply to the engines caused last month’s Air India crash that killed 260 people, a preliminary report has found. The London-bound plane had barely left the runway at Ahmedabad airport when it hurtled back to earth.

A preliminary finding into last month’s Air India plane crash has suggested the aircraft’s fuel control switches were turned off, causing a loss of engine thrust shortly after takeoff.

One of the pilots on Air India Flight 171 denied switching the engines to cutoff mode seconds before the plane crashed to the ground