The Promenade in Peacehaven has been sealed off by police following a tragic incident involving a van.
A man, who has yet to be formally identified, was found deceased in the vehicle, and police are currently investigating the full circumstances of the incident.
The coroner's officer has been informed, and the police are working to determine the cause of the man's death.
Lewes District council has issued a statement urging people to avoid the area, particularly the beach, as the police investigation is ongoing.
The council has promised to share more details as soon as possible.