IOC: Valieva Doping Test Failure May Be Contamination From Grandfather's Medication

MOSCOW (Sputnik) - Russian Figure Skater Kamila Valieva's team have said that the banned substance trimetazidine, which caused her doping test failure, could be from a contaminated glass of water that bore traces of her grandfather’s heart medication, a member of the International Olympic Committee (IOC) Denis Oswald said on Tuesday.