A man who wants to be the first person to swim Britain's longest river, the Severn, said it would take him longer than expected due to the “cold and the … | more… https://www.google.com/url?rct=j&sa=t&url=http://www.bbc.co.uk/news/uk-england-gloucestershire-34424296&ct=ga&cd=CAIyHDQxMjEzYTNjZmYwOWZjYzQ6Y28udWs6ZW46R0I&usg=AFQjCNF8dS8uaIFCi4zFjoxGGRRhpMkIcw