Jamaican athletics hit by drugs scandal.
Bolt was only second in his heat but powered to victory in the final ahead of compatriot Yohan Blake and Antigua's Daniel Bailey.
A headwind of 1.7m per second in the home straight at Crystal Palace ruined any chances of a truly fast time, but the world record holder still delighted a capacity crowd - including a large Jamaican contingent - with victory in 9.91 seconds.
Britain's Simeon Williamson was fourth in 10.19secs with former world record holder Asafa Powell back in sixth.
Asked about the positive tests, confirmed by the IAAF, Bolt said: "My friend called me and told me some tests were positive but I'm not worried."
Speaking about the race, Bolt said: '' Overall the main aim for me was the first 50m. I got it right so I''m happy.
Mo Farah failed to break the 27-year-old British record for 5,000m, but did at least win his race.
Dave Moorcroft's record of 13 minutes 00.41s has stood since 1982 and Farah was always up against with a headwind on the home straight.
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|Publication:||South Wales Echo (Cardiff, Wales)|
|Date:||Jul 25, 2009|
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