Police have arrested a 12-year-old boy on suspicion of murder after a woman was hit by a car.
The woman, who was in her 60s and has not been identified, was found dead by officers in the Greenhill area of Sheffield around 7.10pm on Wednesday.
Yorkshire Ambulance Service and South Yorkshire Fire and Rescue Service also attended the scene.
The boy was arrested on suspicion of murder as well as suspected possession of a knife.
Detective Chief Inspector Andrea Bowell, from South Yorkshire Police, said: “This will be a deeply distressing time for the families of those involved in this incident, and I would ask their privacy is respected as they seek to understand what has happened.”
Anybody with information is asked to get in touch with police or contact Crimestoppers.