Police in Bradford are appealing for information to help trace the whereabouts of missing Moin Muhabat.
Mr Muhabat, aged 29, was last seen leaving Bradford Royal Infirmary at 11:55am yesterday morning and heading onto Duckworth Lane.
He does not have a phone or money on him and officers are increasingly concerned about his welfare.
He is described as an Asian male, with black hair, about 5ft 5ins tall and of slim build.
He is believed to be wearing black bottoms, a black and white t-shirt, a black coat with fur trim and grey trainers.
Anyone who may have seen Mr Muhabat or knows of his whereabouts is asked to call West Yorkshire Police on 101, or online at online via www.westyorkshire.police.uk/101livechat quoting reference 0632 of 14/6.