LONDON (Reuters) - U.S. rock band OneRepublic snatched the top spot in the British singles chart on Sunday, edging out The Vamps in the closest race for the number one position seen all year, the Official Charts Company said on Sunday. A late surge for OneRepublic's 'Counting Stars' helped them outsell new entry 'Can We Dance' from British band The Vamps by just 1,150 copies to reach the pinnacle of the charts for the first time. Former number one 'Talk Dirty' by Jason Derulo and featuring rapper 2 Chainz fell to number three, while Katy Perry's 'Roar' dropped into fourth place. ...