The charges stem from the ouster of 200-meter sprinter Krystsina Tsimanouskaya, who went on social media during the Olympics to question why she had been entered in the 4x400 relay without her knowledge, the AIU said.
Belarus coach who removed sprinter from Olympics charged
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AIU said Antyukh, who had already been serving a four-year ban, received the added sanction of having the 2012 results stripped because of evidence that came from a database kept at the Moscow antidoping laboratory.
Russian hurdler stripped of 2012 Olympics gold for doping
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