Olympics athletics: Sally Pearson wins 100m hurdles gold
Australia's Sally Pearson wins the women's 100m hurdles, breaking the Olympic record with a time of 12.35 seconds.
World champion Pearson won Australia's first athletics gold of the Olympics.
Defending champion Dawn Harper took silver in a time of 12.37 seconds and fellow American Kellie Wells won bronze in 12.48 seconds.
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