Olympic gold medalist Medvedtseva retires
Two-time Olympic biathlon champion Olga Medvedtseva of Russia, whose career was marred by a doping violation that led to her being kicked out of the Turin Games, is retiring from the sport.
Skier Lauren Woolstencroft, whose domination of Paralympic Games slopes reached a pinnacle in 2010 when she won five gold medals, will announce her retirement from the sport today.