Officers investigating a collision in the Rawmarsh area of Rotherham are appealing for witnesses.
At around 6.00pm on Sunday 6 August, it was reported a man had been struck by a car on Claypit Lane, Rawmarsh, Rotherham.
The car, the description of which is unknown, made off from the scene.
The 27-year-old sustained what are thought to be serious injuries in the incident and he currently remains in hospital.
Officers are appealing for any witnesses who may have seen the incident, or were in the area at the time of the incident, to please contact them.
If you have any information please ring 101 quoting incident number 870 of 6 August.