Officers are searching for a vulnerable man from Hull who went missing yesterday (Saturday).
Thomas Bush, 37, was reported missing at 1.30am this morning when he did not return to his care home on Sutton Road, Hull.
He was last seen on Holderness road at around 1pm yesterday.
A Humberside Police spokesman said: "Thomas is a vulnerable adult and may be in need of medical attention.
"He is known to spend time in the Old Town area of Hull and if anyone sees him please call us so that we can help him and make sure he is safe and well.
"If you see Thomas or know where he is please call us on the non-emergency number 101 quoting log 63 of 04/06/2017."