A full-scale search was launched today after a man was seen wandering towards the sea on the Hastings/Bexhill border.
Police were first alerted after a bag containing clothing and personal belongings was found on the shingle.
A Coastguard helicopter and two inshore lifeboats were launched while police officers searched the shore.
A Sussex Police spokesman said: "There has been no sign of anyone in the water as yet but the search is continuing."
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