A serious crash involving multiple vehicles on State Highway 20 on Auckland's Southwestern Motorway left six people injured.
One car caught fire near the Massey on-ramp in the crash, which happened the northbound lane just after 6pm, police said.
St John Ambulance said six people were injured, one suffered serious injuries, another had moderate injuries and the remaining four had minor injuries.
Two of the injured were taken to Middlemore Hospital.
SH20 is closed northbound from Massey Rd off-ramp to the SH20A link.