A 91-year-old woman is fighting for her life in hospital after being hit by a car in Stainforth.
The accident happened in Water Lane, near to the junction with Field Road.
Another pedestrian, a 61-year-old man from Doncaster, suffered minor injuries.
The car was travelling north from Princess Avenue to Water Lane.
Witness are urged to call police on 101, quoting incident number 398 of October 16, 2015.