Taekwondo fighters battle for gold
Germany's Helena Fromm (L) competes against Vietnam's Hoang Dieu Linh Chu during their women's -67kg preliminary round taekwondo match at the ExCel venue during the London Olympic Games, August 10, 2012.KIM KYUNG-HOON/Reuters
Tajikistan's Farkhod Negmatov fights Britain's Lutalo Muhammad (in red) during their match in men's 80-kg taekwondo competition at the 2012 Summer Olympics, Friday, Aug. 10, 2012, in London.Ng Han Guan/The Associated Press
Vietnam's Hoang Dieu Linh Chu fights Germany's Helena Fromm (in red) during their match in women's 67-kg taekwondo competition at the 2012 Summer Olympics, Friday, Aug. 10, 2012, in London.Ng Han Guan/The Associated Press
Armenia's Arman Yeremyan fights Canada's Sebastien Michaud (in red) during their match in men's 80-kg taekwondo competition at the 2012 Summer Olympics, Friday, Aug. 10, 2012, in London.Ng Han Guan/The Associated Press
Argentina's Sebastian Eduardo Crismanich fights New Zealand's Vaughn Scott (in red) during their match in men's 80-kg taekwondo competition at the 2012 Summer Olympics, Friday, Aug. 10, 2012, in London.Ng Han Guan/The Associated Press
Canada's Karine Sergerie, left, fights Azerbaijan Farida Azizova during their match in women's 67-kg taekwondo competition at the 2012 Summer Olympics, Friday, Aug. 10, 2012, in London.Ng Han Guan/The Associated Press
Canada's Sebastien Michaud (red) competes against Armenia's Arman Yeremyan in the men's -80kg Taekwondo event at the 2012 Summer Olympics in London, England, Friday August 10, 2012.Kevin Van Paassen/The Globe and Mail
Canada's Sebastien Michaud (red) competes against Armenia's Arman Yeremyan in the men's -80kg Taekwondo event at the 2012 Summer Olympics in London, England, Friday August 10, 2012.Kevin Van Paassen/The Globe and Mail
Canada's Karine Sergerie (red) competes against Azerbaijan's Farida Azizova in the women's -67kg event at the 2012 Summer Olympics in London, England, Friday August 10, 2012. Sergerie won the bout to advance to the quarterfinals.Kevin Van Paassen/The Globe and Mail
Canada's Karine Sergerie (red) competes against Azerbaijan's Farida Azizova in the women's -67kg event at the 2012 Summer Olympics in London, England, Friday August 10, 2012. Sergerie won the bout to advance to the quarterfinals.Kevin Van Paassen/The Globe and Mail
Britain's Jade Jones celebrates with her coach Paul Green after winning her women's -57kg gold medal taekwondo match against China's Hou Yuzhuo at the London 2012 Olympic Games at the ExCeL arena August 9, 2012.DARREN STAPLES/Reuters