A person has been injured in a car crash in Manurewa, South Auckland, this morning.
Emergency services are at Mill Rd, near Totara Park, where a car has rolled.
The accident happened just after 10am.
St John said one person received moderate injuries and would be taken to Middlemore Hospital for treatment.
A spokesman for the Fire Service said they too were at the crash site.
Police said the north-bound lane of the road was closed as emergency crews worked at the scene.
Motorists are encouraged to avoid the area or to expect delays.