Winter Olympics: Kamila Valieva is 'happy' but 'emotionally tired' as she goes for gold

Russian figure skater Kamila Valieva is «happy» but «emotionally tired» as she prepares to launch a bid for Olympic gold the day after a court cleared her to compete amid a doping controversy.

The 15-year-old discovered a week ago that she had failed a drugs test but then successfully appealed against a Russian Anti-Doping Agency decision to impose a provisional suspension.

That decision was upheld by the Court of Arbitration for Sport on Monday after appeals by the International Olympic Committee (IOC) and others.

The pre-Games favourite for gold, who had already wowed judges to help the Russian Olympic Committee to victory in the team event, continued training — in front of the cameras — amid uncertainty over whether she would be able to carry on competing.

«These [past] days have been very difficult for me,» Valieva, who sometimes looked tearful at the training rink, told Russia's Channel One television.

«It's as if I don't have any emotions left. I am happy but at the same time I am emotionally tired.»

Russia, which is banned from competing at the Games under its own flag because of its doping history, has come under the spotlight once again because of this case.

But Denis Oswald, who chaired the IOC commission that looked into doping violations by Russian athletes at the 2014 Sochi Games, said that at this stage it looked like there was «no connection with the institutionalised doping we had in Sochi» but that it was difficult to have an opinion yet without all the details.

Valieva already knows that if she were to win a medal in the women's event, which starts on Tuesday with the short programme and concludes on Thursday with the free skate, the IOC has decided there will be no medal ceremony.

«We want to allocate the medal