Mr Keys, from Dartford, Kent, said he was not concerned about starving - despite having no supplies. He said he would have turned to foraging if he had been lost for longer.

"I was swimming in a creek so drink was no problem," he told BBC Radio 4's Today programme. "And to be honest I wasn't particularly hungry, so food wasn't an issue."

http://www.bbc.co.uk/news/world-australia-34037852