Staffordshire Police is appealing for the public to report any sightings of a missing Stoke-on-Trent man.
Stephen Hancock, aged 38, went missing from his home address in St Paul's Street, Middleport, last night, Tuesday.
Mr Hancock is described as white, is 6ft 3in tall with a heavy build. He is bald on top of his head with grey hair starting to grow back and has blue eyes.
It is believed Mr Hancock was wearing knee-length khaki shorts, a black t-shirt and navy blue Adidas trainers with white soles when he went missing.
Sgt Scott McGrath, investigating officer, said: "We consider Mr Hancock to be vulnerable and we are concerned for his welfare.
"Extensive searches are underway to locate him and we would ask that anyone who has seen him, or had any contact, to get in touch.
"We are also working closely with colleagues at the charitable organisation Missing People."
Anyone with information is asked to contact Sgt McGrath at Staffordshire Police on 101 quoting incident number 857 of June 19 or Missing People on Freefone 0500 700 700.