A 36-year-old man has been arrested on suspicion of murder following an incident in Goole on Friday 14 December.
It happened following an alleged altercation outside a property on Kingsway around 10.30am.
A 54-year-old man was taken to hospital with serious injuries at the time but died last night.
The incident was isolated and there is no further risk to the wider community.
If anyone saw or heard anything please contact us on the non-emergency number 101, or call the independent charity Crimestoppers on 0800 555 111. Reference 135 of 14/12/18.