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.
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Simon's Blog - Stormy Weather
It's that time of year again... Shrove Tuesday is nearly here and many of us are getting ready to cook up a batch of pancakes.
Monday night's weather for the east of the region