Cuban discus thrower Yarelys Barrios loses Olympic medal after doping re-test

• IOC strips Barrios of silver won in Beijing following sample reanalysis• Qatari sprinter Samuel Francis disqualified from 2008 Games on same basis The International Olympic Committee has stripped the Cuban discus thrower Yarelys Barrios of the silver medal she was awarded at the Beijing 2008 Games after she failed a new anti-doping test. A statement from the IOC on Thursday said reanalysis of Barrios's samples from Beijing 2008 resulted in a positive test for the prohibited substance aceta...