Sprint superstar Usain Bolt was caught up in a fatal motorcycle crash in Jamaica which claimed the life of Germaine Mason, the British high jumper who won a silver medal at the 2008 Beijing Olympics, media reported.

Mo Farah, Rafael Nadal and Justin Rose are among athletes targeted in the latest leak of confidential medical documents that the world anti-doping agency (WADA) says were hacked by a Russian cyber espionage group.

Usain Bolt could lose one of the three golds he won at the 2008 Beijing Olympics.

14 Russian athletes, including 10 Olympic medallists, have tested positive for doping in new tests of their samples given during the 2008 Beijing Games.

Usain Bolt beats Justin Gatlin for the world 200m title at the championships in Beijing, China.