Dai Greene scrapes through in 400m hurdles

British medal hope Dai Greene scrapes through to the final of the 400m hurdles as a fastest loser. Greene faced an anxious wait after only managing fourth in his semi-final, with two fastest losers given a place in the final.

Other British hope Jack Green crashes out in his semi-final after hitting a hurdle, while Rhys Williams finishes third in his race, which is quick enough to qualify as a fastest loser.

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