MOSCOW — Russian tennis star Maria Sharapova says she failed a drug test for meldonium at the Australian Open. The drug was only banned in January and there has been a string of failed tests by athletes in several sports since.
Here are some things to know about meldonium:
WHO'S TESTED POSITIVE?
As well as Sharapova, one of the world's top ice dancers also said Monday that she tested positive.
Ekaterina Bobrova is a former European champion who was part of the Olympic gold medal-winning Russian team at the 2014 Winter Olympics. She told Russian media the positive test was "a big shock.