A man has been airlifted to hospital with serious injuries after the car he was travelling in rolled in Kaukapakapa this afternoon.
Police were called to the crash on the Kaipara Coast Highway, near Anderson Rd, about 1.15pm.
The Serious Crash Unit was sent to the scene.
Police said diversions were in place at Peak Rd and Inland Rd, and motorists travelling through the area should expect delays.
A statement from the Westpac Rescue Helicopter Trust said crew landed a chopper next to the scene on a grass field which had been set up as a landing zone by fire personnel.