BEIJING // Usain Bolt of Jamaica won his semi-final in the 200 metres, moving closer to becoming the first man since Carl Lewis in 1984 to sweep the Olympic sprint titles. Bolt crossed the line in 20.09secs to book a place in today's final. The reigning world champion Christine Ohuruogu of Britain won gold in the women's 400m despite being in fourth coming into the last stretch.
The American Dawn Harper took gold in the women's 100 metres hurdles in 12.54secs while in the men's competition the Cuban world record holder Dayron Robles, strong favourite now the defending champion Liu Xiang is out, blazed into the semi-finals. The defending champion Veronica Campbell-Brown sent a warning to Allyson Felix in the 200m with victory in their second-round heat. Andrey Silnov of Russia won the men's high jump gold, with Britain's Germaine Mason claiming silver. In the men's discus, the world champion Gerd Kanter, of Estonia, won gold.