London Grand Prix: Dai Greene second at Crystal Palace
Dai Greene finishes second in the men's 400m hurdles at the London Grand Prix, after being beaten by Puerto Rico's Javier Culson.
The Welsh athlete is Commonwealth and world champion, and will captain the GB athletics team at London 2012.
Greene clocked a time of 48.10 seconds, behind Culson's 47.78 seconds, while fellow Brit Jack Green came fourth.
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