Jessica Ennis, Greg Rutherford and Mo Farah win golds in the Olympic Stadium after earlier British success in cycling and rowing.
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Jessica Ennis with her Olympic gold.
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Ennis celebrates her victory in the heptathlon.
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Jessica Ennis crosses the line to win her final event - the 800m.
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Ennis struggles to absorb her win as the media gather round.
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The Briton was delighted with her performance in the long jump.
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The 26-year-old from Sheffield also maintained her form in the javelin.
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Britain's Greg Rutherford won the men's long jump title with a leap of 8.31m.
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Rutherford is the first British man to win the long jump in almost 50 years.
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Mo Farah kicks for home in the 10,000 metres.
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Farah electrified the stadium as he cruised home.
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His daughter Rihanna ran onto the track to embrace him after the win.
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Farah is hugged by an Olympic mascot after his 10,000m victory.
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The atmosphere in the Olympic Stadium was electric as Britain won three golds.
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An aerial view of the 80,000-seater stadium at the heart of the Olympic Park.
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Britain's Dani King, Laura Trott, and Joanna Rowsell pose with their gold medals
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Their gold is the fourth for the cycling team and Britain's 11th in total.
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The trio on their way to a world record in the women's team pursuit.
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Katherine Copeland (L) and Sophie Hosking celebrate winning the women's lightweight double sculls.
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The pair were comfortable winners, beating second-placed China by a length and a half.
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Team GB started day eight of the Olympics with a superb gold in the men's coxless four.
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It is the fourth time in 16 years that Britain has won the event.
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Andrew Triggs Hodge, Pete Reed, Tom James and Alex Gregory on the podium.
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Zac Purchase and Mark Hunter were heartbroken after only taking silver in the lightweight men's double sculls.
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Triathlon competitors dive into the water at Hyde Park at the start of the women's event.
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Competitors during the testing cycling stage of the contest, which ran through the capital.
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Usain Bolt (left) on the track for the first time in the men's 100m heats.
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Laura Robson and Andy Murray celebrate beating Australia in the mixed doubles semi-final.
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Serena Williams beat Maria Sharapova 6-0, 6-1 to win the women's tennis gold.
Gallery: Olympics Day 8: Golden Wonder For Britain
Team GB have won an extraordinary six gold medals in one day after sensational victories in the athletics, rowing and cycling.
There were incredible scenes in the Olympic Stadium as Jessica Ennis
won the heptathlon shortly before Greg Rutherford pulled off a shock
victory in the long jump.In front of a rapturous crowd that included the Duke and Duchess of Cambridge and David Cameron, Mo Farah crowned Britain's "Super Saturday" by winning the 10,000m.
With two more golds in the rowing and another in cycling, it has been Britain's most successful day at the Olympics for more than 100 years.
Britain now has 29 medals in total - 14 gold, seven silver and eight bronze - and stands third in the overall medal table.
Ennis, who has been the poster girl for London 2012, went into her last event - the 800m - with a huge lead and comfortably won the race and with it the overall contest.
After clinching victory, she sank to the floor and wept with joy. "I am so shocked, I can't believe it. I am so happy," she said.
Rutherford, 25, from Milton Keynes, leapt 8.31m to become the first British man to win long jump gold for nearly 50 years and secure the second athletics gold of the night.
The third was only moments away as Somali-born Farah blew away the field to take the 10,000m title. "This is the best moment of my life," he said.
After their crushing defeat of the US in the final, a jubilant Trott said: "It has been my dream since I was eight - and we have just gone and done it."
Team GB has now won a staggering four of the five gold medals on offer so far in the track cycling, with five events still to come.
At Eton Dorney, it was another glorious day on the water with Britain winning two more golds and narrowly losing a third to take silver.
Katherine Copeland and Sophie Hosking were completely stunned after they won the lightweight women's double sculls at Eton Dorney.
The pair became the third female British crew to take Olympic gold this year after finishing a length and a half ahead of their closest rivals China.
Their win came after joy and heartbreak in the men's team as the coxless four won gold but the men's double scullers narrowly failed to defend their Olympic title.
Andrew Triggs Hodge, Pete Reed, Tom James and Alex Gregory led from the front to win the four, which means Britain has now won the event in the last four Olympics.
Reed said: "The hours we do, the pain - it was all worth it in the end."
But in the double sculls, Zac Purchase and Mark Hunter were beaten at the death by Denmark and were distraught at only taking silver.
Over at Wimbledon, Andy Murray and Laura Robson guaranteed at least silver by winning a tense mixed doubles semi-final against Australia.
Murray now has two shots at a gold medal on Sunday, when he will also play Roger Federer in the singles final in a repeat of his Wimbledon clash just weeks ago.
However, the British team crashed out of the football after losing the quarter-final to South Korea on penalties.
Elsewhere, history was made when South Africa's Oscar Pistorius became the first double amputee to compete in the Olympics and Paralympics, advancing to the semi-final of the 400m.
The crowd at the Olympic Stadium also had their first glimpse of the world's fastest man, Usain Bolt, who cruised to victory in the men's 100m heats ahead of Sunday's final.
Former world champion Kim Collins missed the 100m qualifying after being dropped by St Kitts and Nevis - allegedly for spending a night in a hotel with his wife and children.
A team spokesman said Collins had broken team rules by leaving the athletes' village at the Olympic Park.
Collins tweeted: "For those who saw me run in Mexico, that’s the last time I represent my country. Even men in prison get their wives to visit."