A man who suffered head injuries during an incident in Seaside Road, Eastbourne has now died.
Police are now treating the case as one of murder.
Lee Molineau, 46, of no fixed address, died in the Hurstwood Park neurological unit, Haywards Heath, on Tuesday night.
He had been in a critical condition since the assault on Wednesday, July 24 and his family were at his bedside.
More top news
Sir Bruce entertained audiences for more than seven decades.
Aisling Creevey has the weekend forecast for the east of the ITV Meridian region.
Aisling Creevey has the weekend forecast for the west of the ITV Meridian region.