Britain's Anthony Yarde knocked out in 11th round of world title fight in Russia
Sergey Kovalev retains WBO light-heavyweight title in home town Chelyabinsk
Yarde rocked Kovalev with a series of strong shots during the eighth round
Alex Bysouth
Kovalev v Yarde
He's bobbing about Anthony Yarde, but suddenly finds himself getting caught by the champion. The crowd love that, and how much does Sergey Kovalev have left in the tank?
Yarde fails to back up that brilliant eighth. Kovalev thinks that's another round in his favour.
Kovalev v Yarde
Four to go...
Anthony Yarde needs to keep up that intensity. Sergey Kovalev was beginning to look tired at the end of the eighth.
Yarde fires in a meaty right hand and then goads the Russian to come back at him. Kovalev backs up as the noise rises in Chelyabinsk.
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"You're getting hit with too many punches," says Kovalev's trainer.
Kovalev v Yarde
Anthony Yarde walks down the Russian but then takes one on the side of the head.
He responds by rocking the Russian, Kovalev is wavering here. Yarde is relentless, he's going for him, the Brit swings and misses and Kovalev tries to weather the storm.
Great round for the Londoner. Kovalev looking a little anxious.
Former middleweight world title challenger Matthew Macklin believes in Yarde.
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Kovalev v Yarde
The British challenger fizzes a left towards the guard of Sergey Kovalev, who is ticked off for using his shoulder. Anthony Yarde is gunning for him now, you get the sense he knows he need to pull something out of the bag here.
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"This guy is done," says Anthony Yarde's trainer Tunde Ajayi.
We will see...
Kovalev v Yarde
Bit naughty from Sergey Kovalev, throwing an upper cut after he's told to break - the Russian apologies but that's little consolation to Anthony Yarde.
The Brit finds a right-left combo and then looks to seize his chance, briefly backing the 36-year-old up against the ropes.
Kovalev wriggles away and stings in a jab of his own. Yarde responds with a big right and low left to the body.
That's the best round we've seen from the British fighter so far.
Boxing journalist Nick Peet...
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The message from the Kovalev corner: "You have to stay smart. Keep circling to your right and he can't do anything with it. Very good champ, very good. Stay smart."
Kovalev v Yarde
Gumshield back in place, Anthony Yarde strolls towards his opponent but Sergey Kovalev isn't fazed as more cries for the home favourite ring out around the arena.
The Russian is caught as he goes on the attack and then a wild Yarde left goes swirling past the face of Kovalev as the champion backs away.
A bit of blood appearing on the face of Yarde there, too.
Former British light-welterweight boxing champion Curtis Woodhouse has some advice for Yarde.
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Kovalev v Yarde
Anthony Yarde is smiling in his corner. "He's tired," he's told...
The Briton's gumshield comes tumbling out his mouth and the referee stops the action briefly.
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Kovalev v Yarde
Anthony Yarde has taken a few shots but is dealing with them at the minute, he's trying to close the gap to land his own and swings over the top of the champion.
He's starting to make the home fighter work though. A good finish to the round from the Briton, growing in confidence.
Kovalev v Yarde
Anthony Yarde comes flying in with a right to the body of Sergey Kovalev and the fighters exchange big left-handers. That really rattled the rib cage of the Russian, but Yarde had to absorb one of his own.
That Kovalev left is vicious, he whips another through the guard of Yarde.
British boxer Anthony Fowler thinks Yarde has lost every round so far.
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"If you hit him and they crowd roar don't get caught up in that," says Kovalev's trainer.
"Don't stand in front of him. You're doing beautiful".