POLICE believe a weekend of violence may have been sparked by fraying tempers after Rangers and Celtic matches on Sunday.
Final day drama in the SPL saw Rangers clinch the title by one point.
Two men aged 21 and 18 were seriously assaulted outside the Caledonian Bar in Huntingdon Road in Sighthill at around 9.30pm on Saturday.
The 21-year-old was hit on the head with a bottle and a belt, while the 18-year-old was also struck on the head with a bottle. The 21-year-old was arrested for being in posession of a sharp pointed instrument.
Police are looking for four male suspects. One was aged 20 to 24-years-old, was of heavy build and was wearing an open zipper top and dark trousers. Another was of slim build and was wearing a white tracksuit top and dark trousers.
The third suspect was wearing a grey hooded top with white hood and dark trousers. The final suspect was wearing a red hooded top and dark trousers.
In a separate incident, a 44-year-old man was struck on the neck with an implement. The incident took place near to Thomsons Bar in Springburn Way on Sunday around 9.15pm. The suspect was a man, around 6ft tall, with dark brown hair and was wearing beige ‘Chino’ style trousers and red boots.
Meanwhile, a 26-year-old man was attacked near to the Post Office in Broomton Road, Balornock, around midnight on Sunday.
He was approached by a group of youths and ended up with a fractured shoulder, swelling to his eyes and a cut to the nose. He was taken to Glasgow Royal Infirmary for treatment.
Police believe the violence may be linked to the Rangers and Celtic football matches on Sunday.
Meanwhile, a 21-year-old man has been arrested for assaulting a 33-year-old man in Pinkston Drive, Sighthill, around 10.55am on Saturday. A 17-year-old boy and a 39-year-old woman were charged with common assault following the incident.
Anyone with information is asked to contact police on 0141 532 4100.