Bolt dominates worlds with treble gold

Jamaica's Usain Bolt dominated the world athletics championships in Berlin in the same way he did the Beijing Olympics, winning triple gold and shattering the world records for the 100m and 200m.

Bolt, whose razzamatazz and light-heartedness have offered a much-needed breath of fresh air to the world of athletics, beat American defending champion and arch-rival Tyson Gay into second in the 100m, running an astonishing 9.58 seconds.

But any further duels between the sprinters were cut short when Gay was ruled out injured after winning silver in 9.71sec in the 100m.

"Winning three gold medals in Berlin is wonderful, I am proud of myself," said Bolt.

"It's been a great championships, I have got my two records so it doesn't matter if I don't get one," he said after his Jamaica 4x100m relay team failed to better the world record they set in Beijing.

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