After beating Bolt with a world-leading time of 9.75 seconds in the final of the 100m yesterday, it was Blake who again went quicker today as he won his semi-final in 19.93s.
Bolt also won his heat, clocking a time of 20.26. Meanwhile, Hansle Parchment, Andrew Riley and Richard Phillips booked their places at London 2012 in the 110m hurdles.
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