Usain Bolt among top stars given tax exemption to race in London

• Athletes will pay no tax at London Diamond League event• George Osborne 'delighted to grant this exemption' Usain Bolt and other overseas athletes will be able to compete tax-free in this year's London Diamond League event at the Olympic Stadium after the chancellor agreed to a "one-off" exemption. Bolt, who won three golds at last year's London Games, had not previously raced in the since 2009 because of tax rules which would have left him out of pocket. George Osborne told the Daily Tele...