Concerns are growing for a Sheffield man who has been missing since Sunday.
Karl Hawkins, 43, has not been seen or heard from since he left his home in the Southey Green area of the city at around 9am that day.
Police are growing increasingly concerned for his well-being as Mr Hawkins has a medical condition that requires treatment.
He is described as white, around 5ft 9in tall, of skinny build with short grey hair and a brown beard. It is not clear what he is wearing.
Officers have received information that Karl could be in the Lincoln area.
Anyone with information is asked to contact 101 quoting incident 827 of June 19 2016.
Anyone living in the Lincolnshire area is asked to contact 101 quoting incident 300 of June 21 2016.