DETECTIVES are hunting a thug who launched a savage attack on a man who had been waiting on a taxi with his girlfriend.

The 41-year-old has been left with serious head and facial injuries after the serious assault in Govan following a Celtic v Rangers match on Sunday night.

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Cops said the victim and his partner were on Langlands Road waiting for a cab when they were approached by a stranger.

He spoke to the couple, and as they began to walk away to meet the taxi he punched the man, causing him to fall and hit his head on the pavement.

The suspect then made off in the direction of the Queen Elizabeth University Hospital.

Emergency services attended and the victim was taken to the same hospital for medical treatment.

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He has since been discharged but will require further treatment after the vicious assault.

The suspect is described as being Scottish, in his mid to late 30s, a slim to medium build, with short dark hair which was longer on top.

He was wearing black rimmed glasses, a dark jumper and dark jeans.

It's not yet known whether the incident was linked to the an Old Firm match which had taken place earlier that day.

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Detective Constable Paul MacDonald from Govan CID said: “A number of members of the public stopped to assist the victim and I would appeal to them to contact us so we can gather more information regarding this incident.

“I would also urge anyone who was in the area around 6pm yesterday and saw what happened to please get in touch. In particular I would urge motorists with dashcams to check their footage in case they have managed to capture anything which could be on significance.

“Anyone with information is asked to contact Govan CID via 101, quoting incident number 3295 of Sunday 31 March 2019. Alternatively you can call CRIMESTOPPERS on 0800 555 111 where details can be given in confidence.”

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