One person is being airlifted to hospital following a serious crash on State Highway 58 in Porirua.
Police were called to the two-vehicle crash shortly before 6.20pm on State Highway 58 near the intersection with James Cook Drive in Whitby.
A police spokesperson said two people have been injured, one with serious injuries who was being airlifted to hospital.
A portion of State Highway 58 has been closed due to the crash, which is expected to cause significant delays.