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London Olympics: Aug. 3, 2012

August 3, 2012 / 9:46 AM EDT / CBS News

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(L-R) Cristina Llovera of Andorra, Shinoona Salah Al-Habsi of Oman and Diane Borg of Malta compete in the Women's 100m Heats on Day 7 of the London 2012 Olympic Games at Olympic Stadium on Aug. 3, 2012.

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Matias Paredes of Argentina battles with Glenn Turner of Australia during the Men's Hockey preliminary match between Australia and Argentina on Day 7 of the London 2012 Olympic Games at Riverbank Arena on Aug. 3, 2012.

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(L-R) Jennifer Oeser of Germany, Louise Hazel of Great Britain and Jessica Samuelsson of Sweden compete in the Women's Heptathlon 100m Hurdles Heat 1 on Day 7 of the London 2012 Olympic Games at Olympic Stadium on Aug. 3, 2012.

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Karolina Tyminska of Poland competes in the Women's Heptathlon 100m Hurdles Heats on Day 7 of the London 2012 Olympic Games at Olympic Stadium on Aug. 3, 2012.

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Gonzalo Peillat of Argentina battles with Mathew Butturini of Australia during the Men's Hockey preliminary match between Australia and Argentina on Day 7 of the London 2012 Olympic Games at Riverbank Arena on Aug. 3, 2012.

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Steven Kari of Papua New Guinea competes in the Mens 85kg Weightlifting on Day 7 of the London 2012 Olympic Games at ExCeL on Aug. 3, 2012.

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Jennifer Oeser of Germany competes in the Women's Heptathlon 100m Hurdles Heat 1 on Day 7 of the London 2012 Olympic Games at Olympic Stadium on Aug. 3, 2012.

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Jessica Ennis of Great Britain hugs Sara Aerts of Belgium (L) after competing in the Women's Heptathlon 100m Hurdles Heat 1 on Day 7 of the London 2012 Olympic Games at Olympic Stadium on Aug. 3, 2012.

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Louise Hazel of Great Britain competes in the Women's Heptathlon 100m Hurdles Heat 1 on Day 7 of the London 2012 Olympic Games at Olympic Stadium on Aug. 3, 2012.

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Xin Wang of China competes against compatriot Xuerui Li of China in the Women's Singles Badminton Semi-Final on Day 7 of the London 2012 Olympic Games at Wembley Arena on Aug. 3, 2012.

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Wojdan Shaherkani of Saudi Arabia (white) competes with Melissa Mojica of the United States in the Women's +78 kg Judo on Day 7 of the London 2012 Olympic Games at ExCeL on Aug. 3, 2012.

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Jessica Ennis of Great Britain in lane 8 competes in the Women's Heptathlon 100m Hurdles Heat 1 on Day 7 of the London 2012 Olympic Games at Olympic Stadium on Aug. 3, 2012.

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A general view on Day 7 of the London 2012 Olympic Games at Olympic Stadium on Aug. 3, 2012.

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Jessica Ennis of Great Britain competes in the Women's Heptathlon 100m Hurdles Heat 1 on Day 7 of the London 2012 Olympic Games at Olympic Stadium on Aug. 3, 2012.

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Dongyong Kim of Korea competes in the Men's Single Sculls finals on Day 7 of the London 2012 Olympic Games at Eton Dorney on Aug. 3, 2012.

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Lyn Byl #11 of Great Britain shoots past Isabel Guialo #9 of Angola during the Women's Handball Preliminaries Group A match between Great Britain and Angola on Day 7 of the London 2012 Olympic Games at Copper Box on Aug. 3, 2012.

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Jolien Sysmans of Belgium dives into the water at the start of the Women's 50m Freestyle heat 7 on Day 7 of the London 2012 Olympic Games at the Aquatics Centre on Aug. 3, 2012.

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Yang Sun of China competes in the Men's 1500m Freestyle heat 4 on Day 7 of the London 2012 Olympic Games at the Aquatics Centre on Aug. 3, 2012.

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Ricardo Blas Jr of the United States competes with Facinet Keita of Guinea in the Men's +100 kg Judo on Day 7 of the London 2012 Olympic Games at ExCeL on Aug. 3, 2012.

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Gegro Kis of Hungary competes in the Men's 1500m Freestyle heat 2 on Day 7 of the London 2012 Olympic Games at the Aquatics Centre on Aug. 3, 2012.

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Sara Goller of Germany serves during the Women's Beach Volleyball Round of 16 match between Germany and Germany on Day 7 of the London 2012 Olympic Games at Horse Guards Parade on Aug. 3, 2012.

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Noor Hussain Al-Malki of Qatar pulls up injured in the Women's 100m Heats on Day 7 of the London 2012 Olympic Games at Olympic Stadium on Aug. 3, 2012.

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Takayuki Kishimoto of Japan pulls out injured from the Men's 400m Hurdles Heats on Day 7 of the London 2012 Olympic Games at Olympic Stadium on Aug. 3, 2012.

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An athlete competes in the Men's 400m Hurdles Heats on Day 7 of the London 2012 Olympic Games at Olympic Stadium on Aug. 3, 2012.

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(L-R) Roger Federer of Switzerland is congratulated by Juan Martin Del Potro of Argentina after his 4-6, 7-6, 19-17 win in the Semifinal of Men's Singles Tennis on Day 7 of the London 2012 Olympic Games at Wimbledon on Aug. 3, 2012.

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Alexandra Lacrabere #64 shoots over Eun Hee Ryu #11 and Im Jeong Choi #19 during the Women's Handball Preliminaries Group B match between Korea and France on Day 7 of the London 2012 Olympic Games at Copper Box on Aug. 3, 2012.

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Xin Wang of China competes against compatriot Xuerui Li of China in the Women's Singles Badminton Semi-Final on Day 7 of the London 2012 Olympic Games at Wembley Arena on Aug. 3, 2012.

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Nan Zhang (L) and Yunlei Zhao of China celebrate winning the Mixed Doubles Badminton Gold Medal match against compatriots Chen Xu and Jin Ma of China on Day 7 of the London 2012 Olympic Games at Wembley Arena on Aug. 3, 2012.

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Marlena Wesh of Haiti (L) smiles after competing in the Women's 400m Heats on Day 7 of the London 2012 Olympic Games at Olympic Stadium on Aug. 3, 2012.

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Nilla Fischer of Sweden (C) celebrates her goal with team mates during the Women's Football Quarter Final match between Sweden and France, on Day 7 of the London 2012 Olympic Games at Hampden Park on Aug. 3, 2012.

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Lynne Beattie #10 of Great Britain celebrates a point in the second set against Dominican Republic during Women's Volleyball on Day 7 of the London 2012 Olympic Games at Earls Court on Aug. 3, 2012.

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Shinobu Ohno of Japan #11 is mobbed by team mates after scoring her team's second goal during the Women's Football Quarter Final match between Brazil and Japan, on Day 7 of the London 2012 Olympic Games at Millennium Stadium on Aug. 3, 2012.

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Katherine Grainger and Anna Watkins of Great Britain celebrate with their gold medals draped in a Union Jack during the medal ceremony for the Women's Double Sculls final on Day 7 of the London 2012 Olympic Games at Eton Dorney on Aug. 3, 2012.

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Yasuhiro Ueyama of Japan competes on the Men's Trampoline during Day 7 of the London 2012 Olympic Games at North Greenwich Arena on Aug. 3, 2012.

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Francesca Dallape of Italy competes in the Women's 3m Springboard Diving Preliminary Round on Day 7 of the London 2012 Olympic Games at the Aquatics Centre on Aug., 2012.

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Luke Patience (R) and Stuart Bithell of Great Britain compete in the Men's 470 Sailing on Day 7 of the London 2012 Olympic Games at the Weymouth & Portland Venue at Weymouth Harbour on Aug. 3, 2012.

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Dani King, Laura Trott and Joanna Rowsell of Great Britain compete as they set a new world record in the Women's Team Pursuit Track Cycling qualifying on Day 7 of the London 2012 Olympic Games at Velodrome on Aug. 3, 2012.

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Tirunesh Dibaba of Ethiopia is congratulated on her win by Beleynesh Oljira of Ethiopia in the Women's 10,000m Final on Day 7 of the London 2012 Olympic Games at Olympic Stadium on Aug. 3, 2012.

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Yasuhiro Ueyama of Japan competes on the Men's Trampoline during Day 7 of the London 2012 Olympic Games at North Greenwich Arena on Aug. 3, 2012.

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Mahiedine Mekhissi-Benabbad of France in the Men's 3000m Steeplechase Heats on Day 7 of the London 2012 Olympic Games at Olympic Stadium on Aug. 3, 2012.

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The Olympic Cauldron burns as athletes compete in the Men's 1500m Round 1 Heats on Day 7 of the London 2012 Olympic Games at Olympic Stadium on Aug. 3, 2012.

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Athletes compete in the Men's 1500m Round 1 Heats on Day 7 of the London 2012 Olympic Games at Olympic Stadium on Aug. 3, 2012.

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Victoria Pendleton of Great Britain celebrates with a Union Jack after winning gold in the Women's Keirin Track Cycling final on Day 7 of the London 2012 Olympic Games at Velodrome on Aug. 3, 2012.

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LONDON, ENGLAND - AUGUST 03: Michael Phelps of the United States competes in the Men's 100m Butterfly Final on Day 7 of the London 2012 Olympic Games at the Aquatics Centre on Aug. 3, 2012.

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Jessica Ennis of Great Britain gives the thumbs up after competing in the Women's Heptathlon 200m on Day 7 of the London 2012 Olympic Games at Olympic Stadium on Aug. 3, 2012.

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Andy Murray of Great Britain celebrates his 7-5, 7-5 win against Novak Djokovic of Serbia in the Semifinal of Men's Singles Tennis on Day 7 of the London 2012 Olympic Games at Wimbledon on Aug. 3, 2012.