Usain Bolt vows to restore athletics faith after Asafa Powell failed test

Double Olympic champion Usain Bolt admits that news of compatriot Asafa Powell's positive drugs test has been "hard" but vows to restore people's faith in athletics.

The 26-year-old Jamaican is now "more focused" to "inspire" people through the sport, but concedes that it is "going to be hard".

Bolt points to a junior record in which he "broke every record" to prove that he has always been a clean athlete.

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