Police are appealing for information to find David who has gone missing from Eastbourne.
The 60-year-old was reported missing after going out for a walk at 7am on Thursday, October 28.
Officers are concerned for his welfare, and say he is known to visit Eastbourne town centre, including parks and cafes.
He may also be in Brighton, as he recently travelled there.
David is a slim man, 5’7”, with short white shaven hair. He was last seen wearing a dark woollen jumper and blue jeans.
Anyone who sees him or knows of his whereabouts is asked to report it to Sussex Police online or call 101 and quote serial 414 of 29/10.