A four-year-old boy from Bridgewater was taken to the IWK Health Centre after he was hit by an SUV in a driveway Sunday afternoon.
Police said the boy was playing in a steep driveway on Deepwood Crescent Sunday when the vehicle backed over him.
No one was in the vehicle at the time and it was not running.
The boy was taken first to South Shore Regional Hospital and then airlifted to the IWK with undetermined injuries.
Police are still investigating.