A third man has been arrested in connection with the murder of Peter Craven in Grimsby.
The 34-year-old suspect remains in custody after being arrested on August 21.
Meanwhile, a 47-year-old man has been released with no further action and a 35-year-old man has received conditional bail.
A post mortem revealed that the victim, Peter Craven, died following a serious head injury.
The victim’s family have been located and informed of his death. They are receiving support from specially trained officers.
Emergency services attended at Oxford Street in Grimsby at around 11.40pm on August 15, after reports that Mr Craven was seriously injured. He was later pronounced dead at the scene.
Detective Chief Inspector Christine Calvert, of Humberside police, said: “I understand this incident will be concerning to the local community, however I want to offer my assurance we are treating this as a priority and have a dedicated team following up a number of lines of enquiry.
“I want to make it clear that this is isolated and not related to any other recent incidents in the town.
“There will be high visibility patrols in the local area to provide reassurance and I would urge anyone with information to please get in contact either with us on 101 or by anonymously contacting Crimestoppers.”
Humberside Police are still appealing for more information to help with their investigation.
Anyone with information is being urged to contact the police on 101, quoting log 709 of 15/08/2018.