Police have released images of four men sought in relation to a probe surrounding an assault opposite a Subway station in Glasgow that left a man in hospital.
Officers say they are keen to trace the men pictured as part of a wider investigation into the incident near the Cowcaddens stop on Garscube Road in April.
The 25-year-old suffered several serious injuries in the attack.
Police and ambulance crews were called to the scene and he was taken to Glasgow Royal Infirmary.
Investigators have now released images and descriptions of the group.
All four are described as being white, with the first thought to be between 40 and 60 with grey hair and wearing a a grey hooded jumper and dark jogging trousers.
The second is said to have a tanned complexion and dark shaven hair. He was wearing a dark coloured jacket and shorts.
The third man is described as having short, light brown hair and was wearing a white tracksuit top with dark sleeves and dark coloured trousers.
The fourth man had dark brown hair and was wearing a dark green coloured jumper with white panelling on the shoulder and light-coloured trousers at the time of the incident.
Detective constable Jenna Baillie, of Greater Glasgow CID, said: “I would urge the men, or anyone who has information relating to any of them depicted in these images, to make contact with the police.
“Anyone with any information is asked to contact Greater Glasgow CID via 101, quoting incident number 3295 of April 17, 2022.
“Alternatively, call Crimestoppers on 0800 555 111 where information can be passed on anonymously.”