Fifteen-year-old Russian figure skater Kamila Valieva is facing an uncertain future at the Beijing Olympics after testing positive for a banned heart medication.

Here, the PA news agency looks at the issues and potential repercussions surrounding her ongoing case.

Who is Kamila Valieva?

Beijing Olympics Doping Russia
Kamila Valieva continued training despite news of a positive doping test (Jeff Roberson/AP)

What are the circumstances of her positive test?

Beijing 2022 Winter Olympic Games – Day Two
Kamila Valieva starred as the Russian Olympic Committee won the mixed team event last week (Andrew Milligan/PA)

What has she tested positive for?

Beijing Olympics Doping Russia
Kamila Valieva is waiting to hear whether she will be allowed to compete next week (Jeff Roberson/AP)

Why the confusion?

Beijing 2022 Winter Olympic Games – Day Two
Kamila Valieva tested positive on Christmas Day (Andrew Milligan/PA)

What next?

Beijing Olympics Doping Russia
The International Olympic Committee is appealing against RUSADA’s decision to lift Kamila Valieva’s provisional suspension (Jeff Roberson/AP)