In panic, Mr Hilli reversed the car into a bank of earth surrounding the remote car park above the hamlet of Chevaline, the report suggests, trapping the back axle and preventing his escape.

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Trapping was recently scaled back on the islands.

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It said "the driver applied the emergency brake as soon as he realised this, but there was insufficient distance in which to stop and avoid trapping the guard who had moved back between the coaches to complete the work associated with the uncoupling".

BBC: Robert Lund