A Carterton man is fighting for his life after being involved in a hit and run.
Police believe the 42-year-old was hit by a car on State Highway 2 near the intersection of Plimsoll St sometime between 1am and 2am today.
The driver fled the scene.
Detective Senior Sergeant Barry Bysouth said the man was now in a critical condition in Wellington Hospital.
The injured man was discovered by a member of the public about 2am, he said.