Detectives in Glasgow are continuing to investigate a serious assault which left a man in hospital. 

The incident, which occurred on at around 11pm on July 18, 2019, saw a 31-year-old man seriously injured and requiring treatment. 

Officers believe that the five men shown in the images may be able to assist with their enquiries and would ask any members of the public who recognise them to come forward.

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The first man is described as a white male, clean shaven, with dark hair, shaved at the sides and longer on top. He is shown wearing a grey t-shirt, black bottoms and wearing or carrying a light and dark grey top.

The second is also a white male, with short dark hair and a stubble beard. He is shown wearing a royal blue 'North Face' hooded top, dark blue tracksuit bottoms and black trainers. 

The third is a white male with dark shaved hair. He is shown wearing a black tracksuit with white or light grey on the sides, black trainers with a white sole and carrying a white plastic bag.

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The fourth man is a white male, with short fair hair. He is shown wearing a white hooded zip top with grey hood and grey running from shoulders down arms, blue tracksuit bottoms and black trainers with a white sole. 

The fifth and final person in question is also described as a white male with short dark hair that is shaved at the back and sides. He is shown wearing a grey/blue tracksuit with zipped hooded top with dark lining, rangers top underneath and black trainers.

Anyone with information on this incident, or who recognises the men in the pictures, is being encouraged to contact officers at City Centre Police Station via 101 quoting incident number 4616 of July 18, 2019.

Alternatively, they can call Crimestoppers on 0800 555 111 where information can be given anonymously.