Olympics: The start of the second week

Competitors line up at the start of the women's triathlon final. The Australian Emma Snowsill won gold. Photograph: Clive Rose/Getty

Juan Zeledon of Nicaragua, left, and Mohamad Siraj Tamim of Lebanon, right, flank the 100m world record holder Usain Bolt in the heats for the 200m Photograph: Cameron Spencer/Getty

Softball players from Chinese Taipei in a synchronised air-punch during their game against Holland Photograph: Vladimir Rys/Getty

The American triathlete Sarah Haskins leaves the water at the end of the swimming stage of the women's race. Haskins finished in 11th place Photograph: Clive Rose/Getty

A basket of Beijing 2008-branded softballs at the Fengtai Softball Field Photograph: Vladimir Rys/Getty

Shamar Sands of Bahamas competes in the men's 110m hurdles heats. Sands finished third to qualify for the semi-finals Photograph: Mark Dadswell/Getty

Rafeeq Curry of the United States competes in the men's triple jump qualifying round. Curry failed to qualify for the final, with a best jump of 16.88m Photograph: Harry How/Getty

The Chinese hurdler Liu Xiang holds his injured Achilles tendon, an injury that ruled him out of the Beijing Games Photograph: Fabrice Coffrini/AFP

Lauren Groves of Canada collides with Spaniards Ainhoa Murúa and Ana Burgos during the cycling section of the women's triathlon Photograph: Clive Rose/Getty

China's Sun Yue goes for a basket as Greece's Panagiotis Vasilopoulos and Dimitris Diamantidis do their best to deny him Photograph: Filippo Montefort/AFP

A pack of cyclists speeding around the Laoshan Velodrome during the women's points race Photograph: Carl De Souza/AFP

Brazil's Formiga celebrates after scoring against Germany during their semi-final football match Photograph: Armando Franca/AP

Germany's Dimitrij Ovtcharov serves to China's Wang Hao during the men's table tennis team competition gold medal match Photograph: Charlie Riedel /AP

Dmitry Klokov of Russia completes a lift in the men's 105kg clean & jerk weightlifting competition Photograph: Jason Lee/Reuters

Cesar Castro of Brazil competes in the men's 3 metres springboard preliminary diving competition Photograph: Jason Reed/Reuters

Susanna Kallur of Sweden sits on the ground after falling at the first hurdle in the women's 100m hurdles semi-final Photograph: Olivier Morin/AFP

Monika Pyrek of Poland in repose before competing in the women's pole vault final Photograph: Dylan Martinez/Reuters

Jamaica's Melaine Walker competes in the women's 400m hurdles semi-final Photograph: Valery Hache/AFP

Yelena Isinbayeva of Russia breaks the world record during the women's pole vault final Photograph: Dylan Martinez/Reuters