The family of a 59-year-old Bangor man have said they are becoming increasingly concerned for his welfare.
According to police, Samuel Moore has not been in contact with his family for over three weeks.
Mr Moore - of no fixed address - is believed to have travelled throughout north Down.
He is described as being 5'8" tall of heavy build, bald with psoriasis on his face and head, and normally wearing tracksuit bottoms and hooded tops.
Anyone with information is asked to call police on 0845 600 8000.