19-year-old sprinter Adam Gemili saw off his British rivals in the men's 100m B race at the Olympic Stadium in Stratford. He won with his fastest time of the season, 10.16 seconds.
Perri Shakes-Drayton set a personal best time of 53.67 seconds in the women's 400m hurdles. She came second behind the Czech athlete Zuzana Hejnova.
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The accident happened on Clapham Road at lunchtime.
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