The missing person reported on Friday has been found in Lewes presumed drowned in the river Ouse by Tesco.
The un-named 67 year old is not Anthony Knott who still remains missing as the mystery surrounding his disappearance deepens.
The body was found during a search of the river on Friday.
A Police spokesman said that the death was not being treated as suspicious and the Coroner has been informed. It was also confirmed that this is not connected to the search for Anthony Knott.