The doping case of Russian figure skater Kamila Valieva whose positive test ignited a scandal at the 2022 Winter Olympics will be heard behind closed doors on Tuesday by the Court of Arbitration for Sport (CAS).

In Beijing in February 2022, Valieva, then 15, became the first female skater to land a quadruple jump in Olympic competition, helping Russia secure gold in the team event.

The next day, she was told she had tested positive before the Games for trimetazidine, a drug used to treat angina but which is banned for athletes.