This 21-year-old man has now been missing for nearly four weeks.
Daniel Johnson, of Stanstead Crescent, Woodingdean, was last seen on March 27, the day after his birthday.
He is described as white, about 5ft 8in, slim, normally clean-shaven, with short, cropped, mousy brown hair.
He does not have his passport or mobile phone with him.
Anyone who can help police find Daniel is asked to call Sussex Police on 0845 6070999 .
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