The explosion happened on board a boat which was in the Laggan Locks area of Spean Bridge on the Caledonian Canal.

The sailor suffered burns to his face and body and had to be flown to Raigmore Hospital in Inverness by helicopter.

Scottish Fire and Rescue say the cause of the explosion was found to be a gas canister stove cooker.

The incident happened at 1pm on 21 June.

Crews from Fort William and Fort Augustus attended the scene.

A spokesman for the fire service said: “No firefighting action was required. However, firefighters provided emergency first aid to a man who had suffered burns before the air ambulance arrived to fly him to Raigmore Hospital.”

The 10 metre by 4 metre boat “sustained significant damage” during the explosion, said the spokesman.

He added that there would be no further investigation as the cause of the explosion had already been determined.

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