Carl Froch v George Groves at Wembley - in pictures

Promoter Eddie Hearn watches the first fight on the undercard of the Carl Froch v George Groves World Super-middleweight fight at Wembley Stadium. Hearn said earlier this week, "People keep asking me as a promoter, how can you top an event and an occasion like this, and I'm not sure you can" Photograph: Tom Jenkins/Guardian

Frank Bruno, who was the last Briton to fight at Wembley, watches the early fights; he beat Oliver McCall at the old stadium in September 1995 to become world champion Photograph: Tom Jenkins/Guardian

James DeGale dominates Brandon Gonzales to put himself in the frame for a world title fight with the winner of the main fight between Froch and Groves
Photograph: Tom Jenkins/The Observer

Amir Khan takes his seat ahead of the main event Photograph: Tom Jenkins/Tom Jenkins

The stadium is packed with 80,000 fans as the fireworks explode ready for the two fighters to make their ring entrances Photograph: Tom Jenkins/Tom Jenkins

Groves looks calm. Wonder if he'll start this fight with the same flurry of activity that he started the last one? Photograph: Tom Jenkins/Tom Jenkins

Groves enters atop a red London bus Photograph: Tom Jenkins/Tom Jenkins

The famed voice of boxing, ring announcer Michael Buffer, welcomes Carl 'The Cobra' Froch Photograph: Tom Jenkins/Tom Jenkins

Froch's entrance is rather more understated that Groves' Photograph: Tom Jenkins/Tom Jenkins

The opening rounds are cagey but Froch dominates the centre of the ring and forces Groves to the ropes
Photograph: Tom Jenkins/The Observer

Groves clips Froch but all his talk of a third round stoppage has not come true. Froch is probably ahead on points as the fight enters the halfway stage
Photograph: Tom Jenkins/The Observer

Froch attacks and catches Groves with a strong left Photograph: Tom Jenkins/Tom Jenkins

The fight is simmering nicely, with Groves starting to find his range Photograph: Tom Jenkins/Tom Jenkins

And then, in round eight, Froch floors Groves with a huge punch. The Nottingham fighter feinted with his left and then let rip with a sledgehammer of a right. Groves' legs buckled beneath him
Photograph: Tom Jenkins/The Observer

The referee immediately waves off the fight and Froch celebrates victory. He's retained his WBA and IBF super-middleweight titles with an emphatic punch
Photograph: Tom Jenkins/The Observer

Froch appears to propose to girlfriend Rachael Cordingley after the fight (although he later claimed that it wasn't official)
Photograph: Tom Jenkins/The Observer

After receiving some medical attention, Groves eventually makes it to his feet and the two fighters embrace Photograph: Tom Jenkins/Tom Jenkins