Photos: Friday's Olympic highlights
148073339JL00086_Olympics_D
Credit: Getty Images
LONDON, ENGLAND - AUGUST 03: Serena Williams of the United States returns a shot against Victoria Azarenka of Belarus in the Semifinal of Women's Singles Tennis on Day 7 of the London 2012 Olympic Games at Wimbledon on August 3, 2012 in London, England. (Photo by Clive Brunskill/Getty Images)
