Florida: Olympics 100 metres hurdles champion, Brianna McNeal has been banned for five years for violation of the anti-doping rules, informed the Athletics Integrity Unit (AIU) on Friday.
The American athlete has appealed against the decision to the Court of Arbitration for Sport (CAS).
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"An update on the Brianna McNeal case: The Disciplinary Tribunal has sanctioned Brianna McNeal (USA) for 5 years, starting 15 Aug 2020, for tampering within the results management process, her second violation of the @WorldAthletics Anti-Doping Rules," the Athletics Integrity Unit tweeted.
"The athlete has appealed against the decision to CAS. Her appeal will be heard before the Tokyo Olympics. Yesterday, CAS granted the athlete provisional relief and temporarily stayed the DT decision to allow her to compete until the end of the USATF Olympic Trials on 27 June," it added.