Doping, 2012 Olympics | featured news

Shot putter Nadzeya Ostapchuk of Belarus became the first athlete to be stripped of a medal at the London Olympics after her gold was withdrawn Monday for doping.

Greece's world indoor high jump champion Dimitrios Chondrokoukis has pulled out of the London Olympics after testing positive for a banned substance, the athlete's father said on Thursday.

Questions surround one of Team USA’s strongest locks for an Olympic gold medal in London after one of the runners expected to participate in the women’s 4x400m pool withdrew from the Games after failing a doping test.

American basketball star Diana Taurasi has had her contract terminated by Turkish club Fenerbahce after her "B" sample tested positive for doping. The Istanbul club says the decision was made Thursday following the results announcement by the Turkish Basketball Federation. Taurasi faces a ban of up to two years, putting in jeopardy her chances of playing for the United States at the 2012 London Olympics.