China's Sun Yang compete in the men's 1500m freestyle. (Kevin Van Paassen/The Globe and Mail)
Oleksandr Gvozdyk of Ukraine, left, and Osmar Bravo Amador of Nicaragua, fight during the men's light heavyweight boxing competition. (Ng Han Guan/AP)
Paul McCartney, center, celebrates Britain's gold medal wins alongside his daughter Stella, center left, and wife Nancy Shevell, center right. (Matt Dunham/AP)
The Olympic dream of South Africa’s Oscar Pistorius became a reality on Saturday when he ran in a round 1 heat in the Men’s 400 metres at the Olympic Stadium in London. (DAVID GRAY/REUTERS)
Pistorius walks off the track with his fellow athletes after the race. (David J. Phillip/The Associated Press)
United States goalkeeper Amy Swensen tries to save the ball from an attempt by New Zealand during the women's hockey preliminary match. (AP/Bullit Marquez)
Canadian fans cheer on Ryan Cochrane in the men's1500m freestyle at the 2012 Sumer Olympics in London, England. (Kevin Van Paassen/The Globe and Mail)
Canada's Rosannagh MacLennan, centre, reacts to her result with teammate Karen Cockburn, right and coach David Ross during trampoline competition. (Kevin Van Paassen/The Globe and Mail)
Rosie MacLennan, centre, won Canada's first gold medal of the 2012 summer Games. (Kevin Van Paassen/The Globe and Mail)