Emergency services are at the scene of a serious two-vehicle crash on State Highway 5 at Tapapa.
Police were called to the scene, near the intersection of Waiohotu Road, about 1.30pm.
Initial reports suggest four people are being treated for injuries.
The Serious Crash Unit will be carrying out a scene examination and diversions are being put in place.
Motorists in the area are advised to expect delays.
ENDS
Issued by the Police Media Centre