An appeal has been launched after a collision which left a 24-year-old man in hospital.
At about 10.30am on Sunday, June 12, the man was walking along Lopham Street in Burngreave when he was involved in a collision with a vehicle.
The man suffered serious injuries and remains in hospital in a stable but critical condition.
The make and model of the vehicle are currently unknown.
Anyone with information is asked to call South Yorkshire Police on 101 quoting incident 469 of June 12 or Crimestoppers on 0800 555111.