An Oamaru man received minor injuries after his car rolled in Dunedin in the early hours of yesterday morning.
Senior Sergeant Craig Dinnissen said it appeared the car failed to take a roundabout on Anderson's Bay Road and rolled onto its roof.
The 20-year-old driver suffered minor injuries.
Snr Sgt Dinnissen said "preliminary thoughts'' were that he was driving too fast, but investigations were ongoing.