Wiltshire Police are appealing for witnesses following a collision in Elgin Drive, Swindon, during the early hours of this morning.
At approximately 1.53am, near to the junction with Bramble Road, a 33-year-old man was struck by a blue estate car, which then left the scene.
The man suffered serious pelvic injuries and was taken to Southmead Hospital in Bristol.
Enquiries into the whereabouts of the vehicle and driver involved in the collision are ongoing but it is believed that those involved are known to each other.
Officers would like to hear from anybody who witnessed the collision.
If you were in the area at the time, and have any information, please call 101 and quote log number 85 of 1 January 2019.