The CAS banned teenage figure skater Kamila Valieva in January for four years for doping, effective from December 2021, a decision that also stripped the Russian Olympic Committee of its gold medal in the team event at the 2022 Games, nearly two years after the competition.
Iga Swiatek tested positive in an out-of-competition sample in August but the ITIA accepted that it was caused by contamination of her medication melatonin.
Russian figure skater Valieva banned for doping, ROC loses Olympic gold
It was revealed that Valieva had earlier failed a drug test, and Olympic officials are now fighting Russia's decision to let her compete.
Valieva was virtually unknown a few months ago but burst onto the international figure skating scene this season
The situation around Valieva and the Russian team had been 'incredibly distracting' for other skaters.
15-year-old Russian skater Kamila Valieva tested positive for the banned heart medication trimetazidine in a sample collected on Christmas Day
Kamila Valieva failed a drug test for a banned substance before the Games.
Russian teenage figure skater Kamila Valieva tumbled to fourth place in the women's singles event on Thursday, yielding to the pressure of a doping controversy that has rocked the Beijing Games.
Russian figure skater Kamila Valieva will be allowed to compete in the women's singles in figure skating at the Beijing Olympics after a decision by sport's top court on Monday.
WADA on Friday was thrust into the spotlight at the Beijing Olympics Kamila Valieva tested positive
Bach said the International Olympic Committee had limited means of action.
Denis Oswald, the International Olympic Committee's permanent chair of the disciplinary commission, said Valieva claimed there was a mix-up at a Court of Arbitration for Sport (CAS) hearing into whether she should be allowed to continue competing.
Valieva failed the test collected at the Russian national championships on Dec. 25
Coach Eteri Tutberidze said she was certain Valieva was 'clean and innocent'
Richardson was banned last year for a month for testing positive for cannabis
Kamila Valieva is one of the youngest Olympic athletes to test positive for a banned substance
Australian swimmers have swept the podium, broken world records, set milestones and won a mountain of medals at the Commonwealth Games pool but all anyone wants to talk about is a supposed 'love triangle' with golden girl Emma McKeon at the centre.
All the top action from Day 6 of the 2022 Winter Olympic Games in Beijing on Thursday.
Valieva dominates the ice despite doping scandal
Beijing OLympics will be remembered for the extremes of its anti-COVID-19 measures
Speed skating - Swings wins mass start, brings first Belgian Winter gold in 74 years.
Russians win team Figure skating gold, Valieva first woman to land Games quads
Norway's Birk Ruud claimed the first men's freeski Big Air Olympic gold
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