Nadezhda Sergeeva has become the second Russian athlete to fail a drugs test at the 2018 Winter Olympics, with the bobsled pilot testing positive for a banned heart medication.
Per the Associated Press (h/t Patrick Reevell of ABC News), Sergeeva has denied taking the substance. She finished 15th in the women's bobsleigh event alongside Anastasia Kocherzhova.
This article will be updated to provide more information on this story as it becomes available.
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