Powell returns after injury scare

Powell set his world record mark in September 2007

World 100m record holder Asafa Powell is back in training after missing the start of the season with a chest injury and should be fit for the Olympics.

The Jamaican, who set the record of 9.74 seconds in September 2007, pulled a muscle when weight training and was forced to rest for a fortnight.

"He's doing fine and we expect him to be 100% in two weeks," said his agent Paul Doyle.

"It's just a case of making up time and shouldn't affect his Olympic build-up."

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Last week, Powell's fellow Jamaican Usain Bolt ran the second-fastest 100m in history, in a time of 9.76 secs.

The pair are expected to meet at Jamaica's national championships at the end of June.