Team GB disqualified from relay

British and Northern Irish athletes have been disqualified from the 4x100m final after initially claiming bronze at the World Athletics Championships in Moscow.

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Usain Bolt wins gold in World Championships 100m

Jamaica's Usain Bolt celebrates winning the Men's 100m Final Credit: Bernd Thissen/DPA/Press Association Images

Usain Bolt lit up the Luzhniki Stadium by blazing to 100 metres gold at the World Championships in Moscow.

The world record holder defied the pouring rain to storm to victory on a drenched track in a revised time of 9.77 seconds, his best time of the year.

He held off the challenge of American Justin Gatlin, who clocked 9.85secs, with Bolt's fellow Jamaican Nesta Carter getting bronze in 9.95s.

Great Britain's big hope James Dasaolu was eighth in 10.21.

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