There is concern for a 19-year-old man who has been reported missing in Selby.
Aden Scott Blackman, also known as Billy Blackman was last seen at Hull train station on the evening of 10 October when he was due to catch a train to Selby.
He never arrived and later rang his family to say he fell asleep on the train and ended up at Kings Cross station in London.
His family transferred money to him so he could catch a train home the following day.
Aden did not return home and he has not been heard from since.
He is described as white, 6ft tall, of slim build with short, light brown, spiked hair. He has a tongue piercing and a star earring in his right ear. When he was last seen he was wearing a beige coloured duffle coat jacket, tan coloured jeans, a white Ralph Lauren sweat shirt and white Fred Perry trainers.
Anyone with any information is asked to contact North Yorkshire Police on 101.