Japan's Reiko Shiota, left, and Shintaro Ikeda play against Toby NG and Grace Gao, of Canada, in a mixed doubles badminton match at the 2012 Summer Olympics, Sunday, July 29, 2012, in London. (AP Photo/Andres Leighton)

Japanese gymnast Rie Tanaka performs on the floor during the Artistic Gymnastic women's qualifications at the 2012 Summer Olympics, Sunday, July 29, 2012, in London. (AP Photo/Julie Jacobson)

Great Britain's Zara Dampney sets the ball during a beach volleyball match against Canada at the 2012 Summer Olympics, Sunday, July 29, 2012, in London. (AP Photo/Dave Martin)

Japan's Ryosuke Irie reacts after competing in a men's 100-meter backstroke swimming semifinal at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Sunday, July 29, 2012. (AP Photo/Mark J. Terrill)

Zara Dampney, left, from Great Britain celebrates with her teammate Shauna Mullin, right, after defeating Canada in their Beach Volleyball match at the 2012 Summer Olympics, Sunday, July 29, 2012, in London. (AP Photo/Petr David Josek)

USA's Jose Ramirezin reacts as he defeats France's Rachid Azzedineafter a men's light 60-kg boxing match at the 2012 Summer Olympics, Sunday, July 29, 2012, in London. (AP Photo/Patrick Semansky)

Scott Parsons of the United States competes in the heats of the K-1 men's kayak slalom at Lee Valley Whitewater Center, at the 2012 Summer Olympics, Sunday, July 29, 2012, in London. (AP Photo/Kirsty Wigglesworth)

Andy Murray, of Great Britain, in action during his First Round match in the Men's Singles at the Olympic Tennis Venue, Wimbledon, London, at the 2012 Summer Olympics, on Sunday, July 29, 2012. (AP Photo/Mark Allan)

Jo Wilfried Tsonga, of France, in action during his First Round match in the Men's Singles at the Olympic Tennis Venue, Wimbledon, London, at the 2012 Summer Olympics, on Sunday, July 29, 2012. (AP Photo/Mark Allan)

Russian tennis player Maria Sharapova, in action during her First Round match on Centre Court in the Women's Singles at the Olympic Tennis Venue, Wimbledon, London, at the 2012 Summer Olympics, on Sunday, July 29, 2012. (AP Photo/Mark Allan)

Russian tennis player Maria Sharapova, in action during her First Round match on Centre Court in the Women's Singles at the Olympic Tennis Venue, Wimbledon, London, at the 2012 Summer Olympics, on Sunday, July 29, 2012. (AP Photo/Mark Allan)

Britain's Laura Bartlett vies for the ball with an unidentified Japanese player during their women's hockey preliminary round match at the 2012 Summer Olympics, Sunday, July 29, 2012, in London. (AP Photo/Eranga Jayawardena)

Japan's Shintaro Ikeda returns the shuttlecock while playing with teammate Reiko Shiota against Toby NG and Grace Gao, of Canada, in a mixed doubles badminton match at the 2012 Summer Olympics, Sunday, July 29, 2012, in London. (AP Photo/Andres Leighton)

United States' Khatuna Lorig shoots during the women's archery team competition at the 2012 Summer Olympics, Sunday, July 29, 2012, in London. (AP Photo/Marcio Jose Sanchez)

The arms of Mladan Janovic, front, of Montenegro and Jeff Powers of the United States interlock during a preliminary water polo match at the 2012 Summer Olympics, Sunday, July 29, 2012, in London. The U.S. won 8-7. (AP Photo/Julio Cortez)

Russian gymnast Victoria Komova performs on the uneven bars during the Artistic Gymnastics women's qualification at the 2012 Summer Olympics, Sunday, July 29, 2012, in London. (AP Photo/Gregory Bull)

Liu Ja of Austria competes against Kim Kyungah of South Korea during their women's table tennis match at the 2012 Summer Olympics, Sunday, July 29, 2012, in London. (AP Photo/Sergei Grits)

Talita Antunes from Brazil signals during the Beach Volleyball match against Netherlands at the 2012 Summer Olympics, Sunday, July 29, 2012, in London. (AP Photo/Petr David Josek)

Britain's Joel Freeland scores against Russia during the first half of a preliminary men's basketball game at the 2012 Summer Olympics, Sunday, July 29, 2012, in London. (AP Photo/Eric Gay)

Venezuelan gymnast Jessica Lopez chalks the uneven bar before her performance during the artistic gymnastics women's qualifications at the 2012 Summer Olympics, Sunday, July 29, 2012, in London. (AP Photo/Matt Dunham)

Great Britain's Shauna Mullin, front, digs out a ball as Zara Dampney watches during a beach volleyball match at the 2012 Summer Olympics, Sunday, July 29, 2012, in London. (AP Photo/Dave Martin)

Ruslan Makarov of Uzbekistan competes during the mens 56-kg, group A, weightlifting competition at the 2012 Summer Olympics, Sunday, July 29, 2012, in London. (AP Photo/Mike Groll)

Germany's Ingo Kindervater returns the shuttlecock while playing with teammate Johannes Schoettler against Cai Yun and Fu Haifeng, of China, in a men's doubles badminton match at the 2012 Summer Olympics, Sunday, July 29, 2012, in London. (AP Photo/Andres Leighton)

China's Ma Yibo tries to score on a penalty during the women's hockey preliminary match against South Korea at the 2012 Summer Olympics, Sunday, July 29, 2012, in London. China won 4-0. (AP Photo/Bullit Marquez)

Russian gymnast Aliya Mustafina performs on the uneven bars during the Artistic Gymnastics women's qualification at the 2012 Summer Olympics, Sunday, July 29, 2012, in London. (AP Photo/Gregory Bull)

France's Rachid Azzedine and USA's Jose Ramirez fight in a men's light 60-kg boxing match at the 2012 Summer Olympics, Sunday, July 29, 2012, in London. (AP Photo/Morry Gash)

Judges watch Russian gymnast Anastasia Grishina perform on the beam during the Artistic Gymnastics women's qualification at the 2012 Summer Olympics, Sunday, July 29, 2012, in London. (AP Photo/Gregory Bull)

Italy's Diego Occhiuzzi reacts after defeating Romania's Rares Dumitrescu, left, in a semifinal in the men's fencing individual sabre at the 2012 Summer Olympics, Sunday, July 29, 2012, in London.(AP Photo/Dmitry Lovetsky)

Spain's Juan Mata looks down at the field after being defeated by Honduras at the end of the group D men's soccer match at St. James' Park, in Newcastle, England, during the London 2012 Summer Olympics, Sunday, July 29, 2012. (AP Photo/Scott Heppell)

Sergio Alvarez Boulet of Cuba competes during the men's 56-kg, group A, weightlifting competition at the 2012 Summer Olympics, Sunday, July 29, 2012, in London. (AP Photo/Hassan Ammar)

Crew Iain Percy, background, and Andrew Simpson, from Great Britain, compete during the Star class Race 1 at the London 2012 Summer Olympics, Sunday, July 29, 2012, in Weymouth and Portland, England. (AP Photo/Bernat Armangue)

Japan's Rika Komazawa, left, and Britain's Laura Bartlett vie for the ball during their women's hockey preliminary round match at the 2012 Summer Olympics, Sunday, July 29, 2012, in London. (AP Photo/Eranga Jayawardena)

Egypt's gymnast Sherine Ahmed Elzeiny is carried by her coach after she sustained an injury during the Artistic Gymnastic women's qualifications at the 2012 Summer Olympics, Sunday, July 29, 2012, in London. (AP Photo/Julie Jacobson)

Thomaz Bellucci, of Brazil, in action during his First Round match in the Men's Singles at the Olympic Tennis Venue, Wimbledon, London, at the 2012 Summer Olympics, on Sunday, July 29, 2012. (AP Photo/Mark Allan)

Jo Wilfried Tsonga, of France, celebrates victory in his First Round match in the Men's Singles at the Olympic Tennis Venue, Wimbledon, London, at the 2012 Summer Olympics, on Sunday, July 29, 2012. (AP Photo/Mark Allan)

Jo Wilfried Tsonga, of France, in action during his First Round match in the Men's Singles at the Olympic Tennis Venue, Wimbledon, London, at the 2012 Summer Olympics, on Sunday, July 29, 2012. (AP Photo/Mark Allan)

Stanislas Wawrinka, of Switzerland, in action during his First Round match in the Men's Singles at the Olympic Tennis Venue, Wimbledon, London, at the 2012 Summer Olympics, on Sunday, July 29, 2012. (AP Photo/Mark Allan)

Serbia's Uros Kovacevic controls a serve during a men's preliminary volleyball match against the United States at the 2012 Summer Olympics, Sunday, July 29, 2012, in London. (AP Photo/Jeff Roberson)

Jingbiao Wu of China competes during the mens 56-kg, group A, weightlifting competition at the 2012 Summer Olympics, Sunday, July 29, 2012, in London. (AP Photo/Mike Groll)

Denmark's Mathias Boe, right, and Carsten Mogensen, play against Russia's Vladimir Ivanov and Ivan Sozonov, unseen, at a men's doubles badminton match of the 2012 Summer Olympics, Sunday, July 29, 2012, in London. (AP Photo/Saurabh Das)

Venezuela's Gabriel Maestre Perez fights Iran's Amin Ghasemi Pour during their men's welterweight 69-kg boxing match at the 2012 Summer Olympics, Sunday, July 29, 2012, in London. (AP Photo/Patrick Semansky)

Argentina's captain Luciana Aymar, top left, celebrates after scoring a goal against South Africa during their women's hockey preliminary round match at the 2012 Summer Olympics, Sunday, July 29, 2012, in London. (AP Photo/Eranga Jayawardena)

Iraq's Noor Amer Al Ameri shoots during qualifiers for the women's 10-meter air pistol event at the 2012 Summer Olympics, Sunday, July 29, 2012, in London. (AP Photo/Rebecca Blackwell)

Chinese gymnast Huang Qiushuang performs on the beam during the Artistic Gymnastics women's qualification at the 2012 Summer Olympics, Sunday, July 29, 2012, in London. (AP Photo/Gregory Bull)

North Korea's An Kum Ae celebrates after defeating Cuba's Acosta Bermoy in the gold medal match in the women's 52-kg judo competition at the 2012 Summer Olympics, Sunday, July 29, 2012, in London. (AP Photo/Paul Sancya)

In this Sunday, July 29, 2012 photo, South Africa's Cameron van der Burgh, bottom, and Italy's Fabio Scozzoli compete in the men's 100-meter breaststroke swimming final at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London. As controversy swirls over alleged illegal dolphin kicks by van der Burgh in his 100-meter breaststroke victory last week, swimming officials are debating introducing underwater video use for judging. Van der Burgh has acknowledged that he took an additional underwater kick at the start of his world-record swim, justifying it by explaining that most competitors do it. (AP Photo/David J. Phillip)

Japan's Sho Sasaki plays a stroke during his men's singles badminton match against Suriname's Virgil Soeroredjo at the London 2012 Olympic Games in London on July 29, 2012. Sho Sasaki won 21-12, 21-7. AFP PHOTO / ADEK BERRY

Argentina's Sebastian Simonet (L) jumps to shoot during the men's preliminaries Group A handball match Iceland vs Argentina for the London 2012 Olympics Games on July 29, 2012 at the Copper Box hall in London. AFP PHOTO/ JAVIER SORIANO

France's David Larose (white) competes with Israel's Golan Pollack (blue) during their men's -66kg contest match of the judo event at the London 2012 Olympic Games on July 29, 2012 at the ExCel arena in London. AFP PHOTO / FRANCK FIFE

Thailand's Ratchanok Intanon serves to Thilini Jayasinghe of Sri Lanka during their women's singles badminton match at the London 2012 Olympic Games in London on July 29, 2012. Ratchanok Intanon won 21-13, 21-5. AFP PHOTO / ADEK BERRY

Australia's David Crawshay (R) and Scott Brennan compete in the men's double sculls repechages of the rowing event during the London 2012 Olympic Games, at Eton Dorney Rowing Centre in Eton, west of London, on July 29, 2012. AFP PHOTO / ERIC FEFERBERG

Iceland's leftback Ingimundur Ingimundarson reacts after a scoring during the men's preliminaries Group A handball match Iceland vs Argentina for the London 2012 Olympics Games on July 29, 2012 at the Copper Box hall in London. AFP PHOTO/ JAVIER SORIANO

Brazil's gymnast Brazil's gymnast Bruna Kuroiwa Yamamoto Leal performs on the vault during the women's qualification of the artistic gymnastics event of the London Olympic Games on July 29, 2012 at the 02 North Greenwich Arena in London. AFP PHOTO / THOMAS COEX

France's Laure Manaudou reacts after the women's 100m backstroke heats swimming event at the London 2012 Olympic Games on July 29, 2012 in London. AFP PHOTO / LEON NEAL

Iceland's leftback Gudjon Valur Sigurdsson shoots during the men's preliminaries Group A handball match Iceland vs Argentina for the London 2012 Olympics Games on July 29, 2012 at the Copper Box hall in London. AFP PHOTO/ JAVIER SORIANO

Swimmers competes in the men's 200m freestyle heats swimming event at the London 2012 Olympic Games on July 29, 2012 in London. AFP PHOTO / FABRICE COFFRINI

Brazil's Leandro Cunha (white) competes with Poland's Pawel Zagrodnik (blue) during their men's -66kg contest match of the judo event at the London 2012 Olympic Games on July 29, 2012 at the ExCel arena in London. AFP PHOTO / JOHANNES EISELE

Brazil's Leandro Cunha (white) competes with Poland's Pawel Zagrodnik (blue) during their men's -66kg contest match of the judo event at the London 2012 Olympic Games on July 29, 2012 at the ExCel arena in London. AFP PHOTO / JOHANNES EISELE

Brazil's gymnast Daiane Dos Santos performs on the floor during the women's qualification of the artistic gymnastics event of the London Olympic Games on July 29, 2012 at the 02 North Greenwich Arena in London. AFP PHOTO / BEN STANSALL

Great Britain's Mark Plotyczer (L) spikes in front of Bulgaria's Vladimir Nikolov (2L), Nikolay Nikolov (R) and Georgi Bratoev (2ndR) during the men's volleyball match between Great Britain and Bulgaria in the 2012 London Olympic Games in London on July 29, 2012. AFP PHOTO/KIRILL KUDRYAVTSEV

Brazil's Leandro Cunha (white) competes with Poland's Pawel Zagrodnik (blue) during their men's -66kg contest match of the judo event at the London 2012 Olympic Games on July 29, 2012 at the ExCel arena in London. AFP PHOTO / ANTONIN THUILLIER

Argentina's Diego Esteban Simonet (L) falls as he vies with Iceland's leftback Arnor Atlason during the men's preliminaries Group A handball match Iceland vs Argentina for the London 2012 Olympics Games on July 29, 2012 at the Copper Box hall in London. AFP PHOTO/ JAVIER SORIANO

Belgium's gymnast Gaelle Mys performs on the beam during the women's qualification of the artistic gymnastics event of the London Olympic Games on July 29, 2012 at the 02 North Greenwich Arena in London. AFP PHOTO / BEN STANSALL

Melody Kooper of New Zealand (L) attempts to block Jade Close of Australia during the preliminary round women's field hockey match of the London 2012 Olympic Games between Australia and New Zealand at the Riverbank Arena in London on July 29, 2012. New Zealand won the match 1-0. AFP PHOTO/ INDRANILMUKHERJEE

Britain's Zara Phillips on High Kingdom waves after competing in the Dressage phase of the Eventing competition of the 2012 London Olympics at the Equestrian venue in Greenwich Park, London, July 29, 2012. AFP PHOTO / JOHN MACDOUGALL

Britain's Zara Phillips on High Kingdom competes in the Dressage phase of the Eventing competition of the 2012 London Olympics at the Equestrian venue in Greenwich Park, London, July 29, 2012. AFP PHOTO / JOHN MACDOUGALL

Australia's basketball team (L) face Brazil's players before the Men's Preliminary Round Group B basketball match Brazil vs Australia at the London 2012 Olympic Games , on July 29, 2012 in London. AFP PHOTO / EMMANUEL DUNAND

Croatia's Domagoj Duvnjak jumps to shoot during the men's preliminaries Group B handball match Croatia vs South Korea for the London 2012 Olympics Games on July 29, 2012 at the Copper Box hall in London. AFP PHOTO/ JAVIER SORIANO

Casey Eastham of Australia goes past Cathryn Finlayson of New Zealand during the preliminary round women's field hockey match of the London 2012 Olympic Games between Australia and New Zealand at the Riverbank Arena in London on July 29, 2012. New Zealand won the match 1-0. AFP PHOTO / INDRANIL MUKHERJEE

North Korea's Om Yun Chol competes during the weightlifting men's 56kg group B at the Excel Center in London during the 2012 London Olympic Games on July 29, 2012. AFP PHOTO / YURI CORTEZ

Abou Diaby (2nd R) of Arsenal controls the ball against Kitchee during their friendly football match in Hong Kong on July 29, 2012. The match is the north London club's third and final game of their tour of Asia. AFP PHOTO / Dale de la rey

Nigerian forward Derrick Obasohan (L) dribbles during the Men's Preliminary Round Group A basketball match Nigeria vs Tunisia at the London 2012 Olympic Games , July 29, 2012 in London. AFP PHOTO / MARK RALSTON

Kazakhstan's Sergey Lim (white) competes with Bulgaria's Martin Ivanov (blue) during their men's -66kg contest match of the judo event at the London 2012 Olympic Games on July 29, 2012 at the ExCel arena in London. AFP PHOTO / JOHANNES EISELE

Croatia's coach Slavko Goluza reacts during the men's preliminaries Group B handball match Croatia vs South Korea for the London 2012 Olympics Games on July 29, 2012 at the Copper Box hall in London. AFP PHOTO/ JAVIER SORIANO

Croatia's centreback Ivano Balic (C) reacts to a scoring during the men's preliminaries Group B handball match Croatia vs South Korea for the London 2012 Olympics Games on July 29, 2012 at the Copper Box hall in London. AFP PHOTO/ JAVIER SORIANO

Egypt's Sara Mohamed Baraka (R) and Fatma Rashed compete in the women's lightweight double sculls heats of the rowing event during the London 2012 Olympic Games, at Eton Dorney Rowing Centre in Eton, west of London, on July 29, 2012. AFP PHOTO / ERIC FEFERBERG

Japan's Misato Nakamura (white) competes with North Korea's An Kum Ae (blue) during their women's -52kg contest match of the judo event at the London 2012 Olympic Games on July 29, 2012 ExCel arena in London. AFP PHOTO / JOHANNES EISELE

Tunisian centre Salah Mejri (below) catches the ball to escape Nigerian centre Alade Aminu during the Men's Preliminary Round Group A basketball match Nigeria vs Tunisia at the London 2012 Olympic Games , July 29, 2012 in London. AFP PHOTO / MARK RALSTON

Rowers wait for the start of the men's lightweight four repechages of the rowing event during the London 2012 Olympic Games, at Eton Dorney Rowing Centre in Eton, west of London, on July 29, 2012. AFP PHOTO / DAMIEN MEYER

Fiji's Tulo Manueli competes during the weightlifting men's 56kg group B at the Excel Center in London during the 2012 London Olympic Games on July 29, 2012. AFP PHOTO / YURI CORTEZ

Croatia's Blazenko Lackovic jumps to shoot during the men's preliminaries Group B handball match Croatia vs South Korea for the London 2012 Olympics Games on July 29, 2012 at the Copper Box hall in London. AFP PHOTO/ JAVIER SORIANO

France's Camille Lacourt competes in the men's 100m backstroke heats swimming event at the London 2012 Olympic Games on July 29, 2012 in London. AFP PHOTO / CHRISTOPHE SIMON

Italy's Federica Pellegrini competes in the women's 400m freestyle heats swimming event at the London 2012 Olympic Games on July 29, 2012 in London. AFP PHOTO / MARTIN BUREAU

Italy's Diego Occhiuzzi (L) fences against China's Liu Xiao during their Men's Sabre fencing bout as part of the London 2012 Olympic games, on July 29, 2012 at the ExCel centre in London. AFP PHOTO / TOSHIFUMI KITAMURA

Ukraine's gymnast Nataliya Kononenko performs on the vault during the women's qualification of the artistic gymnastics event of the London Olympic Games on July 29, 2012 at the 02 North Greenwich Arena in London. AFP PHOTO / THOMAS COEX

Brazilian centre Tiago Splitter (R) is to shoot next to Australian forward Brad Newley during the Men's Preliminary Round Group B basketball match Brazil vs Australia at the London 2012 Olympic Games , on July 29, 2012 in London. AFP PHOTO / EMMANUEL DUNAND

Gaelle Valke (L) of Belgium attempts to block Kelly Jonker of Netherlands during the preliminary round women's field hockey match of the London 2012 Olympic Games between Belgium and Netherlandsat the Riverbank Arena in London on July 29, 2012. AFP PHOTO / INDRANIL MUKHERJEE

Germany's Lena Mueller (R) and Anja Noske compete in the women's lightweight double sculls heats of the rowing event during the London 2012 Olympic Games, at Eton Dorney Rowing Centre in Eton, west of London, on July 29, 2012. AFP PHOTO / DAMIEN MEYER

Italy's Federica Pellegrini prepares for the women's 400m freestyle heats swimming event at the London 2012 Olympic Games on July 29, 2012 in London. AFP PHOTO / MARTIN BUREAU

Italy's Federica Pellegrini looks at the time board after the women's 400m freestyle heats swimming event at the London 2012 Olympic Games on July 29, 2012 in London. AFP PHOTO / MARTIN BUREAU

France's Coralie Balmy competes in the women's 400m freestyle heats swimming event at the London 2012 Olympic Games on July 29, 2012 in London. AFP PHOTO / MARTIN BUREAU

France's Camille Muffat competes in the women's 400m freestyle heats swimming event at the London 2012 Olympic Games on July 29, 2012 in London. AFP PHOTO / MARTIN BUREAU

Kristin Silbereisen of Germany drinks while playing against Joanna Parker of Great Britain during their table tennis women's single preliminary round match of the London 2012 Olympic Games at the Excel centre in London on July 29, 2012. AFP Photo / Saeed Khan

Joanna Parker of Great Britain shouts while playing against Kristin Silbereisen of Germany during a table tennis women's single preliminary round match of the London 2012 Olympic Games at the Excel centre in London on July 29, 2012. AFP Photo / Saeed Khan

Portugal's gymnast Zoi Mafalda Marques De Lima performs on the vault during the women's qualification of the artistic gymnastics event of the London Olympic Games on July 29, 2012 at the 02 North Greenwich Arena in London. AFP PHOTO / THOMAS COEX

Mongolia's Tsagaanbaatar Khashbaatar (white) competes with Britain's Colin Oates (blue) during their men's -66kg contest match of the judo event at the London 2012 Olympic Games on July 29, 2012 at the ExCel arena in London. AFP PHOTO / JOHANNES EISELE

France's Camille Muffat is seen after the women's 400m freestyle heats swimming event at the London 2012 Olympic Games on July 29, 2012 in London. AFP PHOTO / MARTIN BUREAU

China's Zhong Man (L) fences against South Korea's Kim Junghwan during their Men's Sabre fencing bout as part of the London 2012 Olympic games, on July 29, 2012 at the ExCel centre in London. AFP PHOTO / TOSHIFUMI KITAMURA

Joanna Parker of Great Britain serves against Kristin Silbereisen of Germany during a table tennis women's single preliminary round match of the London 2012 Olympic Games at the Excel centre in London on July 29, 2012. AFP Photo / Saeed Khan

Georgina Pota of Hungary returns a shot to Tian Yuan of Croatia during their table tennis women's singles preliminary round match of the London 2012 Olympic Games at The Excel Centre in London on July 29, 2012. AFP PHOTO / SAEED KHAN

Great Britain's Zac Purchase hands a towel to an assistant before competing in the men's lightweight double sculls heats of the rowing event during the London 2012 Olympic Games, at Eton Dorney Rowing Centre in Eton, west of London, on July 29, 2012. AFP PHOTO / DAMIEN MEYER

Tan Wenling of Italy serves to Anna Tikhomirova of Russia during a table tennis women's single preliminary round match of the London 2012 Olympic Games at the Excel centre in London on July 29, 2012. AFP Photo / Saeed Khan

Ri Myong Sun of North Korea serves to Xian Yifang of France during their table tennis women's singles preliminary round match of the London 2012 Olympic Games at The Excel Centre in London on July 29, 2012. AFP PHOTO / SAEED KHAN

New Zealand's Chris Wood (2ndL) scores the opening goal against Egypt during the London 2012 Olympic Games men's football match at Old Trafford in Manchester, north-west England on July 29, 2012. AFP PHOTO / ANDREW YATES

Britain's Nicole Cooke, Elizabeth Armitstead, Lucy Martin and Emma Pooley pose before the start of women's road race cycle event at the London 2012 Olympic games in London on July 29, 2012. AFP PHOTO/Carl de Souza

Georgia's Lasha Shavdatuashvili (blue) celebrates after winning against France's David Larose during their men's -66kg contest match of the judo event at the London 2012 Olympic Games on July 29, 2012 at the ExCel arena in London. AFP PHOTO / JOHANNES EISELE

France's David Larose (white) competes with Georgia's Lasha Shavdatuashvili (blue) during their men's -66kg contest match of the judo event at the London 2012 Olympic Games on July 29, 2012 at the ExCel arena in London. AFP PHOTO / JOHANNES EISELE

South Korea's pivot Park Junggeu jumps to shoot during the men's preliminaries Group B handball match Croatia vs South Korea for the London 2012 Olympics Games on July 29, 2012 at the Copper Box hall in London. AFP PHOTO/ JAVIER SORIANO

China's Sun Jie (R) and Zhang Fangbing compete in the men's lightweight double sculls heats of the rowing event during the London 2012 Olympic Games, at Eton Dorney Rowing Centre in Eton, west of London, on July 29, 2012. AFP PHOTO / DAMIEN MEYER

Italy's Federica Pellegrini preapres for the women's 400m freestyle heats swimming event at the London 2012 Olympic Games on July 29, 2012 in London. AFP PHOTO / LEON NEAL

Dina Meshref of Egypt returns a shot to Elizabeta Samara of Romania during a table tennis women's single preliminary round match of the London 2012 Olympic Games at the Excel centre in London on July 29, 2012. AFP Photo / Saeed Khan

Ri Myong Sun of North Korea serves to Xian Yifang of France during their table tennis women's singles preliminary round match of the London 2012 Olympic Games at The Excel Centre in London on July 29, 2012. AFP PHOTO / SAEED KHAN

Ariel Hsing of the US serves to Ni Xia Lian of Luxembourg during their table tennis women's singles preliminary round match of the London 2012 Olympic Games at The Excel Centre in London on July 29, 2012. AFP PHOTO / SAEED KHAN

TOPSHOTS Mexico's gymnast Elsa Garcia Rodriguez Blancas performs on the beam during the women's qualification of the artistic gymnastics event of the London Olympic Games on July 29, 2012 at the 02 North Greenwich Arena in London. AFP PHOTO / THOMAS COEX

TOPSHOTS Nigerian guard Ade Dagunduro is to shoot during the Men's Preliminary Round Group A basketball match Nigeria vs Tunisia at the London 2012 Olympic Games , July 29, 2012 in London. AFP PHOTO / MARK RALSTON

Croatia's Blazenko Lackovic (Front) jumps to shoot as he vies with South Korea's rightback Yoon Kyung Shin during the men's preliminaries Group B handball match Croatia vs South Korea for the London 2012 Olympics Games on July 29, 2012 at the Copper Box hall in London. AFP PHOTO/ JAVIER SORIANO

Great Britain's Mark Hunter (R) and Zac Purchase compete in the men's lightweight double sculls heats of the rowing event during the London 2012 Olympic Games, at Eton Dorney Rowing Centre in Eton, west of London, on July 29, 2012. AFP PHOTO / DAMIEN MEYER

France's Camille Muffat competes in the women's 400m freestyle heats swimming event at the London 2012 Olympic Games on July 29, 2012 in London. AFP PHOTO / LEON NEAL

US swimmer Nick Thoman smiles after the men's 100m backstroke heats swimming event at the London 2012 Olympic Games on July 29, 2012 in London. AFP PHOTO / FABRICE COFFRINI

Jian Fang Lay of Australia returns a shot to Li Xue of France during a table tennis women's single preliminary round match of the London 2012 Olympic Games at the Excel centre in London on July 29, 2012. AFP Photo / Saeed Khan

South Korea's centreback Jeong Yi Kyeong vies with croatian players during the men's preliminaries Group B handball match Croatia vs South Korea for the London 2012 Olympics Games on July 29, 2012 at the Copper Box hall in London. AFP PHOTO/ JAVIER SORIANO

Japan's Masashi Ebinuma reacts after winning against Kazakhstan's Sergey Lim (blue) during their men's -66kg contest match of the judo event at the London 2012 Olympic Games on July 29, 2012 at the ExCel arena in London. AFP PHOTO / JOHANNES EISELE

France's Camille Muffat smiles after the women's 400m freestyle heats swimming event at the London 2012 Olympic Games on July 29, 2012 in London. AFP PHOTO / LEON NEAL

Netherland's Loes Gunnewijk, Ellen van Dijk, Annemiek van Vleuten and Marianne Vos pose before the start of women's road race cycling event at the London 2012 Olympic games in London on July 29, 2012. AFP PHOTO/Carl de Souza

Japan's Masashi Ebinuma (white) competes with Kazakhstan's Sergey Lim (blue) during their men's -66kg contest match of the judo event at the London 2012 Olympic Games on July 29, 2012 at the ExCel arena in London. AFP PHOTO / FRANCK FIFE

Japan's Masashi Ebinuma (white) competes with Kazakhstan's Sergey Lim (blue) during their men's -66kg contest match of the judo event at the London 2012 Olympic Games on July 29, 2012 at the ExCel arena in London. AFP PHOTO / JOHANNES EISELE

Japan's Masashi Ebinuma (white) competes with Kazakhstan's Sergey Lim (blue) during their men's -66kg contest match of the judo event at the London 2012 Olympic Games on July 29, 2012 at the ExCel arena in London. AFP PHOTO / JOHANNES EISELE

Croatia's Jakov Gojun (R) shoots as he vies with South Korea's rightwing Yu Donggeun during the men's preliminaries Group B handball match Croatia vs South Korea for the London 2012 Olympics Games on July 29, 2012 at the Copper Box hall in London. AFP PHOTO/ JAVIER SORIANO