The Beijing Winter Olympics has been rocked by its first major doping case - and it involves a minor from Russia.
Fifteen-year-old superstar Kamila Valieva reportedly tested positive for the banned substance trimetazidine, prior to the games commencing.
Reports of the doping scandal emerged after the medal ceremony for her winning figure skating team was put on ice earlier this week.
Beijing correspondent Patrick Fok spoke to Corin Dann.
