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A man has died after he was punched on a night out in Manchester Getty

A man has died after being punched when rival Manchester United and Manchester City fans became embroiled in an argument over their clubs.

The 49-year-old man had been walking along King Street West in Manchester at around 3.10am on Sunday 31 August when an argument between two fans of the bitter neighbours boiled over into violence.

The man had been talking to friends when he was assaulted over the dispute. He was punched and fell to the ground, striking his head on the pavement, reported the Manchester Evening News. He was rushed to hospital but died today.

The assault came just hours after both Manchester sides suffered shock results, with City losing to Stoke and United drawing at Burnley.

Greater Manchester Police are looking for two attackers, one of whom is described as white, 6ft tall and of slim build and the other as Asian, 5ft 7in tall, with black hair and of medium build.

Detective Chief Inspector Richard Eales offered his condolences to this man's family, adding: "Our investigation is focused on establishing exactly what happened during the early hours of Sunday 31 August and exactly how this man came to sustain what are now fatal injuries.

"I do not want to speculate on what happened and that is why it is so important we speak to anyone who was present at the location during this incident and witnessed what went on."