Olympics-Russian bobsledder tests positive for banned substance - federation


PYEONGCHANG, South Korea, Feb 23 (Reuters) - Russian Olympic bobsledder Nadezhda Sergeeva has tested positive for a banned performance-enhancing drug, the Russian bobsleigh federation said in a statement on Friday.

The federation said in a post on its official Facebook page that the athlete had tested positive on Feb. 18, five days after a previous doping test returned a negative result for her. (Reporting by Gabrielle Tetrault-Farber and Karolos Grohmann; Editing by Mark Bendeich)

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