Police have released new images of missing person, 66-year-old Norman Galbraith.
He was last seen at his home at Queen’s Avenue, Ballymoney, on the evening of Friday July 31.
The images are taken from CCTV footage from Ballymoney railway station on the afternoon of the 31st.
Mr Galbraith is believed to have been wearing the same clothes when he disappeared as he is wearing in the images.
He is described as being of a small, thin build with grey hair.
When last seen he was wearing a navy fleece, navy tracksuit bottoms and black shoes.
Mr Galbraith is thought to have injured his head in an unrelated incident several days before he was last seen.
A wallet belonging to Mr Galbraith was found on the Burnquarter Road, outside Ballymoney, on Tuesday.
Detective Inspector Alan Pyper has asked anyone who may have seen the man to contact police using the 101 number.
He also urged the public to check outbuildings and sheds.