Police are currently at a crash that occurred on Brigham Creek Road, Hobsonville just before 1pm, where a vehicle has crashed into a crane.
One person is in a critical condition and emergency services are working to free the person who is trapped in the car.
Brigham Creek Road is currently blocked and cordons are in place.
Police advise motorists to be patient and avoid the area if possible.
The Serious Crash Unit are at the scene.