US guard Diana Taurasi goes in for a basket during the women's quarter final basketball match USA vs Canada at the London 2012 Olympic Games on August 7, 2012 at the North Greenwich arena in London. AFP PHOTO / MARK RALSTON

Croatia's pivot Andrea Seric reacts after being defeated by Spain at the end of the women's quarter-final handball match Spain vs Croatia for the London 2012 Olympics Games on August 7, 2012 at the Copper Box hall in London. Spain won 25-22. AFP PHOTO/ JAVIER SORIANO

Italy's Giulia Lapi and Italy's Mariangela Perrupato compete in the duets free routine final during the synchronised swimming competition at the London 2012 Olympic Games on August 7, 2012 in London. AFP PHOTO / ALBERTO PIZZOLI

Italy's Giulia Lapi and Italy's Mariangela Perrupato compete in the duets free routine final during the synchronised swimming competition at the London 2012 Olympic Games on August 7, 2012 in London. AFP PHOTO / ALBERTO PIZZOLI

US' Jason Richardson competes in the men's 110m hurdles heats at the athletics event during the London 2012 Olympic Games on August 7, 2012 in London. AFP PHOTO / ERIC FEFERBERG

Italy's Giulia Lapi and Italy's Mariangela Perrupato compete in the duets free routine final during the synchronised swimming competition at the London 2012 Olympic Games on August 7, 2012 in London. AFP PHOTO / MARTIN BUREAU

Italy's Giulia Lapi and Italy's Mariangela Perrupato compete in the duets free routine final during the synchronised swimming competition at the London 2012 Olympic Games on August 7, 2012 in London. AFP PHOTO / MARTIN BUREAU

Greece's Evangelia Platanioti and Greece's Despoina Solomou compete in the duets free routine final during the synchronised swimming competition at the London 2012 Olympic Games on August 7, 2012 in London. AFP PHOTO / ALBERTO PIZZOLI

Greece's Evangelia Platanioti and Greece's Despoina Solomou compete in the duets free routine final during the synchronised swimming competition at the London 2012 Olympic Games on August 7, 2012 in London. AFP PHOTO / ALBERTO PIZZOLI

Greece's Evangelia Platanioti and Greece's Despoina Solomou compete in the duets free routine final during the synchronised swimming competition at the London 2012 Olympic Games on August 7, 2012 in London. AFP PHOTO / ALBERTO PIZZOLI

Spain's Javier Gomez runs in the transition aera of the men's triathlon event at the London 2012 Olympic Games on August 7, 2012 in London. AFP PHOTO / CHRISTOPHE SIMON

Tamas Lorincz of Hungary reacts after defeating Georgia's Manuchar Tskhadaia during their 66kg Greco Roman Wrestling Semi-final match of the London 2012 Olympic Games at the Excel Centre in London on August 7, 2012. AFP PHOTO/ MANAN VATSYAYANA

PICTURE TAKEN WITH A ROBOTIC CAMERA Britain's Jenna Randall and Britain's Olivia Federici compete in the duets free routine final during the synchronised swimming competition at the London 2012 Olympic Games on August 7, 2012 in London. AFP PHOTO / ANTONIN THUILLIER

US gymnast Alexandra Raisman performs during the women's beam competition of the artistic gymnastics event of the London Olympic Games on August 7, 2012 at the 02 North Greenwich Arena in London. China's Deng Linlin won gold while Sui Lu won the silver medal, with Alexandra Raisman of the United States taking the bronze medal. AFP PHOTO / BEN STANSALL

US gymnast Alexandra Raisman performs during the women's beam competition of the artistic gymnastics event of the London Olympic Games on August 7, 2012 at the 02 North Greenwich Arena in London. China's Deng Linlin won gold while Sui Lu won the silver medal, with Alexandra Raisman of the United States taking the bronze medal. AFP PHOTO / BEN STANSALL

US gymnast Alexandra Raisman performs during the women's beam competition of the artistic gymnastics event of the London Olympic Games on August 7, 2012 at the 02 North Greenwich Arena in London. China's Deng Linlin won gold while Sui Lu won the silver medal, with Alexandra Raisman of the United States taking the bronze medal. AFP PHOTO / EMMANUEL DUNAND

PICTURE TAKEN WITH A ROBOTIC CAMERA Canada's Marie-Pier Boudreau Gagnon and Canada's Elise Marcotte compete in the duets free routine final during the synchronised swimming competition at the London 2012 Olympic Games on August 7, 2012 in London. AFP PHOTO / ANTONIN THUILLIER

Spain's Marina Alabau Neira celebrates after winning gold in the women's RS:X sailing class at the London 2012 Olympic Games, in Weymouth on August 7, 2012. AFP PHOTO/William WEST

Competitors dive to take the start of the men's triathlon event at the London 2012 Olympic Games on August 7, 2012 in London. AFP PHOTO / FABRICE COFFRINI

Bronze medallist Poland's Zofia Noceti-Klepacka (L) and silver medallist Finland's Tuuli Petaja (R) celebrate after the final race in the women's RS:X sailing class at the London 2012 Olympic Games, in Weymouth on August 7, 2012. AFP PHOTO/William WEST

Poland's Zofia Noceti-Klepacka celebrates as she crosses the line and wins bronze in the women's RS:X sailing class at the London 2012 Olympic Games, in Weymouth on August 7, 2012. AFP PHOTO/William WEST

TOPSHOTS Spanish handball team's defenders try to stop the ball during the women's quarter-final handball match Spain vs Croatia for the London 2012 Olympics Games on August 7, 2012 at the Copper Box hall in London. AFP PHOTO/ JAVIER SORIANO

Belarus' Yauheni Zharnasek reacts after a successful attempt during the men's +105kg group B weightlifting event of the London 2012 Olympic Games at The Excel Centre in London on August 7, 2012. AFP PHOTO / YURI CORTEZ

Netherlands's gymnast Epke Zonderland celebrates after performing during the men's horizontal bar final of the artistic gymnastics event of the London Olympic Games on August 7, 2012 at the 02 North Greenwich Arena in London. AFP PHOTO / THOMAS COEX

PICTURE TAKEN WITH A ROBOTIC CAMERA Canada's Marie-Pier Boudreau Gagnon and Canada's Elise Marcotte compete in the duets free routine final during the synchronised swimming competition at the London 2012 Olympic Games on August 7, 2012 in London. AFP PHOTO / ANTONIN THUILLIER

Poland's Zofia Noceti-Klepacka celebrates as she crosses the line to win bronze in the women's RS:X sailing class at the London 2012 Olympic Games, in Weymouth on August 7, 2012. AFP PHOTO/William WEST

Netherlands's gymnast Epke Zonderland celebrates after performing during the men's horizontal bar final of the artistic gymnastics event of the London Olympic Games on August 7, 2012 at the 02 North Greenwich Arena in London. AFP PHOTO / BEN STANSALL

South Korea's Kim Hyeonwoo (L) wrestles Llithuania Edgaras Venckaitis during their 66kg Greco Roman Wrestling Semi-final match of the London 2012 Olympic Games at the Excel Centre in London on August 7, 2012.

PHOTO TAKEN WITH A ROBOTIC CAMERA The judge stands by Russia's Rustam Totrov (C) and Belarus' Tsimafei Dzeinichenka as they fight during their Men's 96kg Greco-Roman Semifinal during the London 2012 Olympic Games on August 7, 2012. AFP PHOTO / MANAN VATSYAYANA

Spain's Ona Carbonell Ballestero and Andrea Fuentes Fache compete in the duets free routine final during the synchronised swimming competition at the London 2012 Olympic Games on August 7, 2012 in London. AFP PHOTO / MARTIN BUREAU

Netherlands's gymnast Epke Zonderland performs during the men's horizontal bar final of the artistic gymnastics event of the London Olympic Games on August 7, 2012 at the 02 North Greenwich Arena in London. AFP PHOTO / BEN STANSALL

A cheerleader performs during the women's quarter final basketball match Australia vs China at the London 2012 Olympic Games on August 7, 2012 at the North Greenwich arena in London. AFP PHOTO / TIMOTHY A. CLARY

Cheerleaders perform during the women's quarter final basketball match Australia vs China at the London 2012 Olympic Games on August 7, 2012 at the North Greenwich arena in London. AFP PHOTO / TIMOTHY A. CLARY

Cheerleaders perform during the women's quarter final basketball match Australia vs China at the London 2012 Olympic Games on August 7, 2012 at the North Greenwich arena in London. AFP PHOTO / TIMOTHY A. CLARY

Cyclists compete during the London 2012 Olympic Games women's omnium10km scratch race cycling event at the Velodrome in the Olympic Park in East London on August 7, 2012. AFP PHOTO /LEON NEAL

PICTURE TAKEN WITH AN UNDERWATER CAMERA Russia's Natalia Ishchenko and Russia's Svetlana Romashina compete in the duets free routine final during the synchronised swimming competition at the London 2012 Olympic Games on August 7, 2012 in London. They won gold. AFP PHOTO / FRANCOIS XAVIER MARIT

PICTURE TAKEN WITH AN UNDERWATER CAMERA Russia's Natalia Ishchenko and Russia's Svetlana Romashina compete in the duets free routine final during the synchronised swimming competition at the London 2012 Olympic Games on August 7, 2012 in London. They won gold. AFP PHOTO / FRANCOIS XAVIER MARIT

PICTURE TAKEN WITH AN UNDERWATER CAMERA Spain's Ona Carbonell Ballestero and Spain's Andrea Fuentes Fache compete in the duets free routine final during the synchronised swimming competition at the London 2012 Olympic Games on August 7, 2012 in London. AFP PHOTO / FRANCOIS XAVIER MARIT

PICTURE TAKEN WITH AN UNDERWATER CAMERA Spain's Ona Carbonell Ballestero and Spain's Andrea Fuentes Fache compete in the duets free routine final during the synchronised swimming competition at the London 2012 Olympic Games on August 7, 2012 in London. AFP PHOTO / FRANCOIS XAVIER MARIT

PICTURE TAKEN WITH AN UNDERWATER CAMERA China's Liu Ou and China's Huang Xuechen compete in the duets free routine final during the synchronised swimming competition at the London 2012 Olympic Games on August 7, 2012 in London. AFP PHOTO / FRANCOIS XAVIER MARIT

PICTURE TAKEN WITH AN UNDERWATER CAMERA France's Chloe Willhelm and France's Sara Labrousse compete in the duets free routine final during the synchronised swimming competition at the London 2012 Olympic Games on August 7, 2012 in London. AFP PHOTO / FRANCOIS XAVIER MARIT

PICTURE TAKEN WITH A ROBOTIC CAMERA Canada's Marie-Pier Boudreau Gagnon and Canada's Elise Marcotte compete in the duets free routine final during the synchronised swimming competition at the London 2012 Olympic Games on August 7, 2012 in London. AFP PHOTO / ANTONIN THUILLIER

PICTURE TAKEN WITH A ROBOTIC CAMERA Britain's Jenna Randall and Britain's Olivia Federici compete in the duets free routine final during the synchronised swimming competition at the London 2012 Olympic Games on August 7, 2012 in London. AFP PHOTO / ANTONIN THUILLIER

Mexico's fans are pictured before the men's football semi final match between Japan and Mexico during the 2012 London Olympics at the Wembley stadium in London August 7, 2012. . AFP PHOTO Martin Bernetti

Mexico's fan is pictured before the men's football semi final match between Japan and Mexico during the 2012 London Olympics at the Wembley stadium in London August 7, 2012. . AFP PHOTO Martin Bernetti

Brazil's Fabiana Claudino celebrates winning a point during the women's quarterfinal volleyball match between Russia and Brazil in the 2012 London Olympic Games in London on August 7, 2012. AFP PHOTO/KIRILL KUDRYAVTSEV

Germany's gymnast Fabian Hambuchen celebrates taking silver after performing during the men's horizontal bar final of the artistic gymnastics event of the London Olympic Games on August 7, 2012 at the 02 North Greenwich Arena in London. AFP PHOTO / THOMAS COEX

Germany's gymnast Fabian Hambuchen celebrates taking silver after performing during the men's horizontal bar final of the artistic gymnastics event of the London Olympic Games on August 7, 2012 at the 02 North Greenwich Arena in London. AFP PHOTO / THOMAS COEX

PICTURE TAKEN WITH AN UNDERWATER CAMERA US swimmers Mary Killman and Mariya Koroleva compete in the duets free routine final during the synchronised swimming competition at the London 2012 Olympic Games on August 7, 2012 in London. AFP PHOTO / FRANCOIS XAVIER MARIT

Brazil's Sheilla Castro (L) and Danielle Lins celebrate winning a point during the Women's quarterfinal volleyball match between Russia and Brazil in the 2012 London Olympic Games in London on August 7, 2012. AFP PHOTO/KIRILL KUDRYAVTSEV

Brazil's Jaqueline Carvalho (Lower) and Danielle Lins attempt to set during the Women's quarterfinal volleyball match between Russia and Brazil in the 2012 London Olympic Games in London on August 7, 2012. AFP PHOTO/KIRILL KUDRYAVTSEV

Brazil's Jaqueline Carvalho (R) and Danielle Lins attempt to set during the Women's quarterfinal volleyball match between Russia and Brazil in the 2012 London Olympic Games in London on August 7, 2012. AFP PHOTO/KIRILL KUDRYAVTSEV

Brazil's Jaqueline Carvalho (L) and Danielle Lins attempt to set during the Women's quarterfinal volleyball match between Russia and Brazil in the 2012 London Olympic Games in London on August 7, 2012. AFP PHOTO/KIRILL KUDRYAVTSEV

Brazil's Jaqueline Carvalho, Danielle Lins (C) and Sheilla Castro (top) attempt to block during the Women's quarterfinal volleyball match between Russia and Brazil in the 2012 London Olympic Games in London on August 7, 2012. AFP PHOTO/KIRILL KUDRYAVTSEV

Croatia's rightback Andrea Penezic jumps to shoot during the women's quarter-final handball match Spain vs Croatia for the London 2012 Olympics Games on August 7, 2012 at the Copper Box hall in London. Spain won 25-22. AFP PHOTO/ JAVIER SORIANO

Photographers check their remote cameras behind the goal before the men's football semi final match between Japan and Mexico during the 2012 London Olympics at the Wembley stadium in London August 7, 2012. AFP PHOTO Martin Bernetti

Poland's Przemyslaw Miarczynski sails to the bronze medal in the men's RS:X sailing class at the London 2012 Olympic Games, in Weymouth on August 7, 2012. AFP PHOTO/William WEST

Spain's Juan Peralta Gascon stands up after crashing at the start of the London 2012 Olympic Games men's keirin second round cycling event at the Velodrome in the Olympic Park in East London on August 7, 2012. AFP PHOTO /LEON NEAL

Greece's Evangelia Platanioti and Greece's Despoina Solomou react after they competed in the duets free routine final during the synchronised swimming competition at the London 2012 Olympic Games on August 7, 2012 in London. AFP PHOTO / ALBERTO PIZZOLI

Britain's Jenna Randall and Britain's Olivia Federici compete in the duets free routine final during the synchronised swimming competition at the London 2012 Olympic Games on August 7, 2012 in London. AFP PHOTO / ALBERTO PIZZOLI

Japan's footballers (top, L-R) Yuki Otsu, Hiroki Sakai, Daisuke Suzuki, Takahiro Ohgihara, Maya Yoshida and Shuichi Gonda, and (bottom L-R) Yuhei Tokunaga, Keigo Higashi, Hotaru Yamaguchi, Kensuke Nagai and Hiroshi Kiyotake pose before their London 2012 Olympic Games men's semifinal football match against Mexico, at Wembley Stadium in London, on August 7, 2012. AFP PHOTO / KHALED DESOUKI

PICTURE TAKEN WITH AN UNDERWATER CAMERA South Korea's Park Hyunha and South Korea's Park Hyunsun compete in the duets free routine final during the synchronised swimming competition at the London 2012 Olympic Games on August 7, 2012 in London. AFP PHOTO / FRANCOIS XAVIER MARIT

Netherlands's gymnast Epke Zonderland performs during the men's horizontal bar final of the artistic gymnastics event of the London Olympic Games on August 7, 2012 at the 02 North Greenwich Arena in London. AFP PHOTO / EMMANUEL DUNAND

Germany's gymnast Fabian Hambuchen celebrates taking silver after performing during the men's horizontal bar final of the artistic gymnastics event of the London Olympic Games on August 7, 2012 at the 02 North Greenwich Arena in London. AFP PHOTO / THOMAS COEX

Colombia's Maria Luisa Calle Williams competes during the London 2012 Olympic Games women's omnium 500m time trial cycling event at the Velodrome in the Olympic Park in East London on August 7, 2012. AFP PHOTO /LEON NEAL

Britain's Jenna Randall and Britain's Olivia Federici compete in the duets free routine final during the synchronised swimming competition at the London 2012 Olympic Games on August 7, 2012 in London. AFP PHOTO / ALBERTO PIZZOLI

Britain's Jenna Randall and Britain's Olivia Federici compete in the duets free routine final during the synchronised swimming competition at the London 2012 Olympic Games on August 7, 2012 in London. AFP PHOTO / ALBERTO PIZZOLI

PICTURE TAKEN WITH AN UNDERWATER CAMERA Greece's Evangelia Platanioti and Greece's Despoina Solomou compete in the duets free routine final during the synchronised swimming competition at the London 2012 Olympic Games on August 7, 2012 in London. AFP PHOTO / FRANCOIS XAVIER MARIT

Greece's Vasileios Tsolakidis performs during the men's parallel bars final of the artistic gymnastics event of the London Olympic Games on August 7, 2012 at the 02 North Greenwich Arena in London. AFP PHOTO / BEN STANSALL

Tunisia's silver medalist Habiba Ghribi celebrates on the podium of the women's 3000m steeplechase at the athletics event during the London 2012 Olympic Games on August 7, 2012 in London. AFP PHOTO / JOHANNES EISELE

US' Dawn Harper applauds after the women's 100m hurdles semi-finals at the athletics event during the London 2012 Olympic Games on August 7, 2012 in London. AFP PHOTO / ERIC FEFERBERG

Serbia's Ivana Spanovic competes in the women's long jump qualifying rounds at the athletics event during the London 2012 Olympic Games on August 7, 2012 in London. AFP PHOTO / ADRIAN DENNIS

South Korea's Kim Hyeonwoo, winner of the gold medal in the 66kg Greco Roman Wrestling of the London 2012 Olympic Games jubilates at the Excel Centre in London on August 7, 2012.

South Korea's Kim Hyeonwoo, winner of the gold medal of 66kg Greco Roman Wrestling of the London 2012 Olympic Games jubilates at the Excel Centre in London on August 7, 2012. AFP PHOTO / MARWAN NAAMANI

Misty May-Treanor from the USA celebrates during the women Beach Volleyball semifinal against China's Xue Chen and Zhang Xi on the Centre Court Stadium in Horse Guards Parade on London on August 7, 2012, during the London 2012 Olympic Games. USA won 2-0 AFP PHOTO / DANIEL GARCIA

China's Guo Shuang celebrates as she crosses the finish line to win the bronze medal in the London 2012 Olympic Games women's sprint final cycling event at the Velodrome in the Olympic Park in East London on August 7, 2012. AFP PHOTO /ODD ANDERSEN

Olympic Champion Alexandr Vinokoerov waits for the start of the 35th edition of the cycling contest De Gouden Pijl in Emmen on August 7,2012. AFP PHOTO/ANP TOUSSAINT KLUITERS netherlands out

Australia's Sally Pearson (R) crosses the finish line in the women's 100m hurdles semi-finals at the athletics event during the London 2012 Olympic Games on August 7, 2012 in London. AFP PHOTO / JEWEL SAMAD

US' Kellie Wells gestures prior to competing in the women's 100m hurdles semi-finals at the athletics event during the London 2012 Olympic Games on August 7, 2012 in London. AFP PHOTO / FRANCK FIFE

South Korea's Kim Hyeonwoo celebrates after defeating Tamas Lorincz of Hungary during their 66kg Greco Roman Wrestling Final match of the London 2012 Olympic Games at the Excel Centre in London on August 7, 2012. AFP PHOTO/ MANAN VATSYAYANA

US' LoLo Jones competes in the women's 100m hurdles semi-finals at the athletics event during the London 2012 Olympic Games on August 7, 2012 in London. AFP PHOTO / GABRIEL BOUYS

US' Kellie Wells celebrates after the women's 100m hurdles semi-finals at the athletics event during the London 2012 Olympic Games on August 7, 2012 in London. AFP PHOTO / ERIC FEFERBERG

TOPSHOTS Hungary's Tamas Lorincz (back) wrestles Georgia's Manucher Tskhadaia during their 96 kg Greco Roman Wrestling semi-final match of the London 2012 Olympic Games at the Excel Centre in London on August 7, 2012.

TOPSHOTS Bulgaria's Elis Guri (down) wrestles Belarus' Tsimafei Dzeinichenka during their 96kg Greco Roman Wrestling quarter-final match of the London 2012 Olympic Games at the Excel Centre in London on August 7, 2012. AFP PHOTO / MARWAN NAAMANI

(FromL) Canada's Phylicia George, Turkey's Nevin Yanit and US' Kellie Wells compete in the women's 100m hurdles semi-finals at the athletics event during the London 2012 Olympic Games on August 7, 2012 in London. AFP PHOTO / GABRIEL BOUYS

Mexico's Yahel Castillo Huerta competes in the men's 3m springboard final during the diving event at the London 2012 Olympic Games on August 7, 2012 in London. AFP PHOTO / MARTIN BUREAU

Sudan's Abubaker Kaki reacts after competing in the men's 800m semi-finals at the athletics event during the London 2012 Olympic Games on August 7, 2012 in London. AFP PHOTO / OLIVIER MORIN

Sudan's Abubaker Kaki, Botswana's Nijel Amos and Poland's Adam Kszczot compete in the men's 800m semi-finals at the athletics event during the London 2012 Olympic Games on August 7, 2012 in London. AFP PHOTO / JOHANNES EISELE

Botswana's Nijel Amos (C) and Sudan's Abubaker Kaki (R) compete in the men's 800m semi-finals at the athletics event during the London 2012 Olympic Games on August 7, 2012 in London. (2nd row : Poland's Adam Kszczot , Kenya's Anthony Chemut, 3rd row : Brazil's Fabiano Pecanha, Iran's Sajad Moradi and The Netherland's Robert Lathouwers) AFP PHOTO / GABRIEL BOUYS

Latvia's Lauma Griva competes in the women's long jump qualifying rounds at the athletics event during the London 2012 Olympic Games on August 7, 2012 in London. AFP PHOTO / FRANCK FIFE

Brazil's forward Neymar is pictured before the London 2012 Olympic men's football semi final match between Brazil and South Korea at Old Trafford in Manchester, north-west England, on August 7, 2012. AFP PHOTO/PAUL ELLIS

Russia's Anna Nazarova competes in the women's long jump qualifying rounds at the athletics event during the London 2012 Olympic Games on August 7, 2012 in London. AFP PHOTO / FRANCK FIFE

US player Jordan Larson (L) spikes during the Women's quarterfinal volleyball match between the US and Dominican Republic in the 2012 London Olympic Games in London on August 7, 2012. AFP PHOTO/KIRILL KUDRYAVTSEV

Germany's Sostene Moguenara competes in the women's long jump qualifying rounds at the athletics event during the London 2012 Olympic Games on August 7, 2012 in London. AFP PHOTO / FRANCK FIFE

Germany's Sostene Moguenara competes in the women's long jump qualifying rounds at the athletics event during the London 2012 Olympic Games on August 7, 2012 in London. AFP PHOTO / FRANCK FIFE

US' Brittney Reese competes in the women's long jump qualifying rounds at the athletics event during the London 2012 Olympic Games on August 7, 2012 in London. AFP PHOTO / FRANCK FIFE

China's He Chong walks as he competes in the men's 3m springboard final during the diving event at the London 2012 Olympic Games on August 7, 2012 in London. AFP PHOTO / MARTIN BUREAU

South Korea's Kim Hyun-sung (down, L) vies with Brazil's defender Rafael during the London 2012 Olympic Games men's semi final football match between Brazil and South Korea at Old Trafford in Manchester, north-west England on August 7, 2012. AFP PHOTO / ANDREW YATES

South Korea's Kim Hyun-sung (down, L) vies with Brazil's defender Rafael during the London 2012 Olympic Games men's semi final football match between Brazil and South Korea at Old Trafford in Manchester, north-west England on August 7, 2012. AFP PHOTO / ANDREW YATES

South Korea's Kim Hyun-sung (down, L) vies with Brazil's defender Rafael during the London 2012 Olympic Games men's semi final football match between Brazil and South Korea at Old Trafford in Manchester, north-west England on August 7, 2012. AFP PHOTO / ANDREW YATES

Iran's Sajjad Anoushiravani Hamlabad competes during the men's +105kg group A weightlifting event of the London 2012 Olympic Games at The Excel Centre in London on August 7, 2012. AFP PHOTO / YURI CORTEZ

Kenya's Timothy Kitum reacts after competing in in the men's 800m semi-finals at the athletics event during the London 2012 Olympic Games on August 7, 2012 in London. AFP PHOTO / OLIVIER MORIN

(From L) The Netherland's Robert Lathouwers, Spain's Luis Alberto Marco, Botswana's Nijel Amos, Kenya's Anthony Chemut, Poland's Adam Kszczot, Sudan's Abubaker Kaki, Iran's Sajad Moradi and Brazil's Fabiano Pecanha compete in the men's 800m semi-finals at the athletics event during the London 2012 Olympic Games on August 7, 2012 in London. AFP PHOTO / FRANCOIS XAVIER MARIT

Iran's Ghasem Ghiamreza Rezaei (L) fights against Russia's Rustam Totrov (R) in their Men's 96kg Greco-Roman gold medal fight at the Excel Centre in London on August 7, 2012, during the London 2012 Olympic Games. AFP PHOTO / MANAN VATSYAYANA

Britain's Andrew Osagie gestures to the camera in the men's 800m semi-finals at the athletics event during the London 2012 Olympic Games on August 7, 2012 in London. AFP PHOTO / ERIC FEFERBERG

Hungary's Peter Nagy kisses the weight after a successful attempt during the men's +105kg group B weightlifting event of the London 2012 Olympic Games at The Excel Centre in London on August 7, 2012. AFP PHOTO / YURI CORTEZ

Belarus' Veronika Shutkova competes in the women's long jump qualifying rounds at the athletics event during the London 2012 Olympic Games on August 7, 2012 in London. AFP PHOTO / ADRIAN DENNIS

Canada's Michael Mason competes in the men's high jump final at the athletics event during the London 2012 Olympic Games on August 7, 2012 in London. AFP PHOTO / FRANCK FIFE

Picture taken with a robotic camera Turkish guard Isil Alben dribles during the women's quarter final basketball match Turkey vs Russia at the London 2012 Olympic Games on August 7, 2012 at the North Greenwich arena in London. AFP PHOTO / ANTONIN THUILLIER

Brazil's midfielder Oscar (L) and South Korea's Koo Ja-cheol compete during the London 2012 Olympic men's football semi final match between Brazil and South Korea at Old Trafford in Manchester, north-west England, on August 7, 2012. AFP PHOTO/PAUL ELLIS

US athlete Erik Kynard competes in the men's high jump final at the athletics event during the London 2012 Olympic Games on August 7, 2012 in London. AFP PHOTO / FRANCK FIFE

US' Allyson Felix (R) crosses the finish line of the women's 200m semi-finals at the athletics event during the London 2012 Olympic Games on August 7, 2012 in London. AFP PHOTO / JEWEL SAMAD

Iran's Behdad Salimikordasiabi competes to win the gold medal in the men's +105kg group A weightlifting event of the London 2012 Olympic Games at The Excel Centre in London on August 7, 2012. AFP PHOTO / YURI CORTEZ

France's Myriam Soumare (L) cries in front ofIvory Coast's Murielle Ahoure after the women's 200m semi-finals at the athletics event during the London 2012 Olympic Games on August 7, 2012 in London. AFP PHOTO / GABRIEL BOUYS

Germany's Patrick Hausding competes in the men's 3m springboard final during the diving event at the London 2012 Olympic Games on August 7, 2012 in London. AFP PHOTO / FABRICE COFFRINI

South Korea's Jeon Sang-Guen fails in his attemp to lift during the men's +105kg group A weightlifting event of the London 2012 Olympic Games at The Excel Centre in London on August 7, 2012. AFP PHOTO / YURI CORTEZ

Turkey's Kuanitra Hollingsvorth (L) jumps to score against Russian centre Irina Osipova during the women's quarter final basketball match Turkey vs Russia at the London 2012 Olympic Games on August 7, 2012 at the North Greenwich arena in London. AFP PHOTO / ANTONIN THUILLIER

Hungary water polo players salute spectators after the women's water polo semi-final match against Spain at the London 2012 Olympic Games in London on August 7, 2012. AFP PHOTO /ADEK BERRY

Germany's Martin Wierig competes in the men's discus throw final at the athletics event during the London 2012 Olympic Games on August 7, 2012 in London. AFP PHOTO / ADRIAN DENNIS

Australia's Sally Pearson celebrates after winning the women's 100m hurdles final at the athletics event during the London 2012 Olympic Games on August 7, 2012 in London. AFP PHOTO / GABRIEL BOUYS

Russia's llya Zakharov competes in the men's 3m springboard final during the diving event at the London 2012 Olympic Games on August 7, 2012 in London. He won gold. AFP PHOTO / FABRICE COFFRINI

Spain's players celebrate their victory during the women's water polo semi-final match against Hungary at the London 2012 Olympic Games in London on August 7, 2012. AFP PHOTO /ADEK BERRY

This handout photo finish released by Omega, the official timekeeper of the London 2012 Olympic games, shows Australia's Sally Pearson (R bottom), US' Kellie Wells (2d R) and US' Dawn Harper (R top) crossing the finish line of the women's 100m hurdles final at the athletics event during the London 2012 Olympic Games on August 7, 2012 in London. RESTRICTED TO EDITORIAL USE MANDATORY CREDIT "AFP PHOTO/OMEGA"

Russia's llya Zakharov competes in the men's 3m springboard final during the diving event at the London 2012 Olympic Games on August 7, 2012 in London. He won gold. AFP PHOTO / FABRICE COFFRINI

Spain's goal keeper Laura Ester Ramos and Ona Meseguer Plaque (blue cap #10) fail to block the ball during the women's water polo semi-final match against Hungary at the London 2012 Olympic Games in London on August 7, 2012. AFP PHOTO /ADEK BERRY

Germany's Robert Harting celebrates after the men's discus throw final at the athletics event during the London 2012 Olympic Games on August 7, 2012 in London. AFP PHOTO / JEWEL SAMAD

Russia's Ruslan Albegov competes during the men's +105kg group A weightlifting event of the London 2012 Olympic Games at The Excel Centre in London on August 7, 2012. AFP PHOTO / YURI CORTEZ

Michael Conlan of Ireland (in blue) defends against Nordine Oubaali of France (in red) during the Flyweight (52kg) boxing quarterfinals of the 2012 London Olympic Games at the ExCel Arena August 7, 2012 in London. Conlan won 22-18. AFP PHOTO / Jack GUEZ