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Could up to 31 athletes be banned from Rio?
Thirty one athletes from six sports could be banned from this year's Olympics after 454 doping samples were re-tested from the 2008 games. Sport Today speaks to a competitor at the Beijing games.
Picture: the Olympic rings. Credit: Getty Images.
Last on
Tue 17 May 201615:32GMT
BBC World Service except News Internet
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- Tue 17 May 201615:32GMTBBC World Service except News Internet