Usain Bolt and Asafa Powell eased into the semi-finals of the 100m at Jamaica's World Championships trials.
Olympic champion Usain Bolt won in 10.00 seconds and Powell closely followed with 10.02. Fellow Jamaican Yohan Blake automatically qualified after winning last year's 2012 trials.
Bolt again showed an improving start by coming out of the blocks first before taking control of the race within 40 meters.
Asafa Powell had previously failed to complete a competitive race this season due to a niggling hamstring problem but he admitted it was a comfortable race.
"Happy to complete my first race in a year," said Powell. "It was quite easy."
The semi-finals and finals of Jamaica's World Championships trials are today with the top three qualifying for the World Championships in Moscow which start on August 10.
Meanwhile at the United States trials Tyson Gay and Justin Gatlin made it through the opening 100m round comfortably.
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