Jamaican duo charged with anti-doping rule violation

IMAGE: Kaliese Spencer of Jamaica looks to the scoreboard after the Women's 400 metres hurdles. Photograph: Cameron Spencer/Getty Images Commonwealth Games 400 meters hurdles champion Kaliese......

PHOTOS: South Africa's Van Niekerk stuns champions to win 400m

Wayde Van Niekerk of South Africa crosses the finish line to win ahead of third placed Kirani James of Grenada the men's 400m final during the 15th IAAF World Championships at the National Stadium......