A 44-year-old local man has been arrested on suspicion of murder following the death of Tony Richardson in Grimsby.
Tony, known as Tosh, died in hospital after an attack outside the Halifax Bank in Old Market Place on the evening of Monday, January 15.
The 45-year-old died the following day.
Police are continuing to investigate the incident and are appealing for information.
Detective Chief Inspector Stewart Miller said: “I would like to thank the public for all their support so far.
“I urge anyone with information to call our dedicated incident room on 01472 290204.”
Alternatively, contact Humberside Police on 101, quoting log 372 of January 15 or Crimestoppers anonymously on 0800 555 111.