Winter Olympics

Russian Bobsled Federation president Alexander Zubkov says Nadezhda Sergeeva has failed a doping test at the Olympics

Published Feb. 23, 2018 5:01 a.m. ET

PYEONGCHANG, South Korea (AP) Russian Bobsled Federation president Alexander Zubkov says Nadezhda Sergeeva has failed a doping test at the Olympics.

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