Former boxer Dominic Robson killed his brother with a single punch (Image: Newcastle Chronicle)

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A former amateur boxer who killed his brother in a one-punch attack has been jailed.

Dominic Robson, 26, punched his brother Jordan Bell, 27, outside a Sunderland bar on July 10 last year after he made sexual comments about his girlfriend.

Robson admitted manslaughter earlier this year, claiming he had acted in self-defence.

He has been jailed for five years and two months.

The brothers had been having a drink together and were joined by Robson's girlfriend, and he became annoyed when Mr Bell began making comments or jokes towards her.

A bouncer, who saw the incident, claimed the brothers were engaged in a heated argument and Robson was "being aggressive" and was annoyed at certain inappropriate sexual comments Mr Bell had made to his girlfriend.

Newcastle Crown Court heard that once outside the pub, Robson swung a punch at his brother, knocking him to the ground.

Jordan Bell was killed by his brother in an attack outside a Sunderland bar

The attack was caught on CCTV and a member of the public told police he was walking along the street when he heard a thud behind him and turned to see a man lying on the floor with blood coming from his ears.

Robson walked away from the scene with his girlfriend. After his arrest, he told police his brother had made sexual jokes towards his girlfriend.

Mr Bell was taken to the Royal Victoria Infirmary in Newcastle where it was found he had suffered "catastrophic" injuries when his head hit the concrete and he died two weeks later in hospital.

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