About 55 people had to leave when the fire broke out as welding was being done on the outside of the Trafalgar class submarine, said the Royal Navy.

BBC: HMS Torbay nuclear submarine evacuated

The NTSB found that a fire on board the Liberian-registered Ecstasy, operated by Carnival, had been caused by a fire in the laundry room sparked by unauthorized welding.

CNN: Spate of fires poses problems for cruise industry