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Marina Lisogor, Ukrainian Cross-Country Skier, Third Positive Doping Test

02/22/2014 06:05 EST | Updated 04/24/2014 05:59 EDT
Adam Pretty via Getty Images
SOCHI, RUSSIA - FEBRUARY 21: A general view of the Doping Control station after the Women's 4 x 6 km Relay during day 14 of the Sochi 2014 Winter Olympics at Laura Cross-country Ski & Biathlon Center on February 21, 2014 in Sochi, Russia. (Photo by Adam Pretty/Getty Images)
SOCHI, Russia - The IOC says a Latvian hockey player has been expelled from the Sochi Olympics after failing a doping test.

The International Olympic Committee says Vitalijs Pavlovs tested positive for the stimulant methylhexaneamine after Latvia's loss to Canada in the quarterfinals.

He is the fourth athlete to fail a drug test at the games.

Earlier Saturday, the Ukrainian Olympic Committee said cross-country skier Marina Lisogor tested positive for the stimulant trimetazidine.

The latest positive tests follow those of German biathlete Evi Sachenbacher-Stehle and Italian bobsledder William Frullani.

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