Earlier Saturday, CAS confirmed it has received appeals from both the International Olympic Committee and the World Anti-Doping Agency challenging Valieva's right to compete.
The legal process is unusually complex because of Valieva's status as a minor, which gives her protections in the anti-doping rule book. That sample was the responsibility of the Russian Anti-Doping Agency, known as RUSADA. It was sent to a WADA-approved laboratory in Stockholm, Sweden, for analysis.
We have summarized this news so that you can read it quickly. If you are interested in the news, you can read the full text here. Read more: