A British tourist is missing after a fire broke out on a dive boat off the island of Koh Tao in Thailand. Alexandra Clarke, 26, a backpacker from Lambeth, in London was reportedly using the toilet when the blaze started in the engine of the wooden vessel this morning.

A crew member was reportedly filling diving tanks with oxygen when the equipment malfunctioned and fire engulfed the boat.

British national Alexandra Clarke is reported missing after a fire breaks out on the diving boat she was travelling on off the coast of the island of Koh Tao on Sunday.