Caster Semenya of South Africa celebrates after she won in the women's 800 metres final during the world athletics championships at the Olympic stadium in Berlin, August 19, 2009. A group of doctors is conducting a gender test on Semenya, who won the 800m title on Wednesday.
Text & Images: Reuters (Any unauthorised reproduction is prohibited)Best of World Athletics Championships 2009 | Best of track | No 'bolting' Usain | More