IOC: 23 positives in retests of samples from London Olympics (Yahoo Sports)
Nearly two dozen athletes tested positive in reanalysis of their doping samples from the 2012 London Olympics, adding to the more than 30 already caught in retesting from the 2008 Beijing Games. The International Olympic Committee said Friday that 23 athletes from five sports and six countries had positive findings in retests with improved techniques on 265 samples from the London Games. The 23 London athletes are in addition to the 31 who tested positive in retesting from the Beijing Olympics.