UFC London: Watch Molly McCann win insane KO of Year over Carolina. She spins her back elbow in a sickening fashion

MOLLY MCANN blew off the O2 Arena's roof with a KO Of The Year contender against Luana Caroline.

McCann, a flyweight champion who became the first English woman to fight on a UFC maincard, flatlined her Brazilian opponent in round three with a spectacular spinning-back elbow.

McCann was caught in a one arm collar tie and tried her luck with an aggressive elbow.

Carolina was flatlined by Muay Thai, which was risky and beautiful. She won the first stoppage victory in her octagon career.

McCann was overcome with emotion and leapt to celebrate with her Next Generation team-mates.

Then, she leapt to the spot where Dana White, UFC president, was sitting.

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When she returned, she was adorned with a UFC belt.

McCann was a stoic fighter from the beginning, closing the distance and throwing punches at Carolina.

Although the proud Evertonian seemed to be able to make her opponent feel hurt, she was unable land the decisive blow.

Carolina survived the storm and was able to stop the McCann blitzes by her grappling.

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McCann was challenged by Carolina's range in the second round. She ended up lifting the Brazilian into the air and doing a WWE-style back-body-drop.

The highlight of her career was at minute 52 seconds into the third song. She spun for the fences, flatlined Carlonia and gave it her best shot. It will be relived many times over the years.