53 year old Michael Mairs died in hospital on Monday 28 October.
Detectives investigating the death of a man in Warrington town centre have released CCTV images of three potential witnesses they are looking to trace.
Michael Mairs died at Warrington District General Hospital on Monday 28 October.
The 53-year-old had been in hospital since Sunday 6 October, when he was assaulted in Crown Street, Warrington, at around 12.15pm.
Enquiries in relation to his death are ongoing and as part of their investigation detectives are looking to identify three people they believe may have witnessed the assault.
Detective Inspector Helen Clegg said: “Firstly I would like to reassure the three people in these CCTV images that we do not believe that they have committed any offences.
“We simply want to speak to them as they were in the area at the time of the assault and we believe they may have witnessed it.
“I appeal directly to the people in the CCTV images, as well as to anyone who recognises them, to contact the team here at Warrington on 101, quoting IML 531869, or via https://www.cheshire.police.uk.
“Information can also be submitted anonymously, via Crimestoppers, by calling 0800 555 111.”
A 37-year-old man from Warrington has been charged with assault in connection with the incident, he is currently being held in custody.