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Chinese Olympic swimming champion Sun Yang has received an eight-year ban from competition for missing a doping test in September 2018.
The Court of Arbitration for Sport (CAS) confirmed in a statement on Friday that the 2016 200-meter freestyle Olympic champion had been found guilty of breaking anti-doping rules after refusing to co-operate during a visit from sample collectors and breaking ablood sample container:
"The athlete failed to establish that he had a compelling justification to destroy his sample collection containers and forego the doping control when, in his opinion, the collection protocol was not in compliance with the ISTI.