Bolt proves he is the fastest man on earth again as Jamaican superstar beats rival Blake to 100m gold at London Olympics

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UPDATED:

20:56 GMT, 5 August 2012

Usain Bolt has won the gold medal in the men's 100m at the London Olympic Games after winning the final in 9.63 seconds, a new Olympic record.

Bolt's Jamaican training partner and biggest rival, Yohan Blake, claimed the silver medal and former Olymipc champion Justin Gatlin won the bronze.

Bolt's victory was the second-fastest 100m run in history, behind his world record time of 9.58 secs, set in at the World Championships in Berlin in 2009.

More to follow.

Cruise control: Usain Bolt (right) wins his 100m semi-final ahead of Britain's Dwain Chambers (left)

Plenty left in the tank: Bolt crosses the finishing line in a time of 9.87 secs in the second 100m semi-final

Not quite enough: British sprinter Dwain Chambers looks in vain at the scoreboard after his race

Rising star: Gemili (centre) proved he has a bright future after just missing out on the final

Fastest of all: American Justin Gatlin (right) qualified fastest for the final in 9.82secs

Ever the showman: Jamaican superstar Bolt plays up for the crowd in London ahead of his race