Canadian Wrestler Carol Huynh of Hazelton, British Columbia in red competes in the Women's 48kg Freestyle against Hitomi Obara of Japan, during the London 2012 Olympic Games, Wednesday August 8, 2012 AL CHAREST/CALGARY SUN/QMI AGENCY

Brazil' Bruno Rezende (bottom) chalenges Argentina's Facundo Conte during their men's quarterfinal volleyball match against at Earls Court during the London 2012 Olympic Games August 8, 2012. REUTERS/Ivan Alvarado

Spanish centre Marc Gasol F jumps for the ball during his team's London 2012 Olympic Games men's quarterfinal basketball match against France in London on August 8, 2012. AFP PHOTO /TIMOTHY A. CLARY

This picture taken on August 7, 2012 shows Canada's Men's 470 sailors Mike Leigh (L) and Luke Ramsay (R) posing on the Olympic Rings at the sailing at the London 2012 Olympic Games, in Weymouth. AFP PHOTO

A freestyle BMX rider entertains the crowds during a break in the BMX cycling seeding phase runs at the BMX venue in the Olympic Park, during the London 2012 Olympic games in London on August 8, 2012. AFP PHOTO / Carl de Souza

Lithuanian guard Mantas Kalnietis (L) scores over Russian guard Alexey Shved during their London 2012 Olympic Games men's quarterfinal basketball match in London on August 8, 2012. AFP PHOTO /EMMANUEL DUNAND

Yemen's Tameem Mohammed Ahmed Al-Kubati (L) fights against Colombia's Oscar Munoz during their men's -58kg quarterfinal taekwondo match at the ExCel venue during the London Olympic Games, August 8, 2012. REUTERS/Kim Kyung-Hoon

China's Zhang Jike returns a ball to South Korea's Joo Sehyuk during the table tennis men's team final China vs South Korea at the London Olympic games on August 8, 2012 at the Excel arena in London. AFP PHOTO / MARWAN NAAMANI

France's goalkeeper Thierry Omeyer fails to make a save during the men's quarter-final handball match Spain vs France for the London 2012 Olympics Games on August 8, 2012 at the Basketball Arena in London. AFP PHOTO / JAVIER SORIANO

France's centreback Nikola Karabatic (R) shoots during the men's quarter-final handball match Spain vs France for the London 2012 Olympics Games on August 8, 2012 at the Basketball Arena in London. AFP PHOTO / JAVIER SORIANO

Russian forward Andrey Kirilenko dunks during his team's London 2012 Olympic Games men's quarterfinal basketball match against Lithuania in London on August 8, 2012. AFP PHOTO /TIMOTHY A. CLARY

Mongolia's Otgontsetseg Davaasukh (L) wrestles Colombia's Carolina Castillo Hidalgo during their Women's 48kg Freestyle qualification match on August 8, 2012 during the wrestling event of the London 2012 Olympic Games. AFP PHOTO / YURI CORTEZ

Thailand's Chanatip Sonkham (R) fights against Russia's Kristina Kim during their women's taekwondo bout in the category under 49 kg as part of the London 2012 Olympic games, on August 8, 2012 at the ExCel centre in London. AFP PHOTO / ALBERTO PIZZOLI

Spain's Marc Gasol reacts to making a basket against France during their men's quarterfinal basketball match at the North Greenwich Arena in London during the London 2012 Olympic Games August 8, 2012. REUTERS/Mike Segar

Netherland's team players celebrate winning against New Zeland during their women's semifinal hockey match at the Riverbank Arena at the London 2012 Olympic Games August 8, 2012. REUTERS/Suzanne Plunkett

Netherlands' Kitty van Male slides on the pitch during their women's semifinal hockey match against New Zealand at the Riverbank Arena at the London 2012 Olympic Games August 8, 2012. REUTERS/Suzanne Plunkett

France's Alexis Vastine lays on the canvas after becoming upset with the decision giving the Men's Welter (69kg) quarter-final boxing match to Ukraine's Taras Shelestyuk (L) at the London Olympic Games in this August 7, 2012 file photo. REUTERS/Murad Sezer/Files

Czech Republic's Aneta Hladikova competes in the women's BMX seeding run during the London 2012 Olympic Games at the BMX Track in the Olympic Park August 8, 2012. REUTERS/Cathal McNaughton

Netherlands' Eva de Goede watches from behind post during a penalty corner at their women's semifinal hockey match against New Zealand at the Riverbank Arena at the London 2012 Olympic Games August 8, 2012. REUTERS/Suzanne Plunkett

Mongolia's Battsetseg Soronzonbold (in red) fights with Latvia's Anastasija Grigorjeva on the Women's 63Kg Greco-Roman wrestling at the ExCel venue during the London 2012 Olympic Games August 8, 2012. REUTERS/Toru Hanai

Brazil' Bruno Rezende (bottom) and Argentina's Facundo Conte look at the ball during their men's quarterfinal volleyball match against at Earls Court during the London 2012 Olympic Games August 8, 2012. REUTERS/Ivan Alvarado

Spain's Javier Garcia Gadea (R) shoots as Montenegro's Vjekoslav Paskovic (L) defends during their Men's Quarterfinal water polo match during the London 2012 Olympic Games August 8, 2012. REUTERS/Sergio Moraes

China's Ren Cancan (R) fights Marlen Esparza of the U.S. during their Women's Fly (51kg) semi-final boxing match at the London Olympic Games August 8, 2012. REUTERS/Damir Sagolj

Turkey's Merve Aydin cries after she came in last in her women's 800m round 1 heat at the London 2012 Olympic Games at the Olympic Stadium August 8, 2012. REUTERS/Lucy Nicholson