By Ewan Mowat & Sean Murphy & Charlie Duffield Social media users are claiming a Brit tourist has captured the Loch Ness Monster in a photograph that has gone viral online. Nessie is probably Scotland ‘s most famous legend, and the mythical water beast brings Nessie spotters in from all corners of the globe. The story of the mythical creature dates back to St Columba in the 6th Century, with sightings becoming more frequent with new technology, meaning anyone with a phone can take a photo while watching from the side of the loch. Steve Challice was visiting the historic site from Southampton w…