A postman came face-to-face with a huge shark while snorkelling off the coast of Cornwall.
 
Martin Yelland, 38, was diving just off the coast of Penzance when the blue shark swam straight towards him.

It stuck around for about an hour, before being scared off by a pod of 80 dolphins. Mr Yelland, who lives in St Erth, Cornwall, takes wildlife photographs in his spare time. He said: 'It was a really memorable encounter. (Daily Mail)