The circumstances of the crash are not yet known and the Police Serious Crash Unit is now investigating.
Meanwhile, one person suffered minor injuries in a crash in central Auckland this morning.
Two cars were involved in the crash on Union St, between Wellington St and Nelson St, around 6.15am.
Police and St John Ambulance crews were at the scene, where one person was being treated for minor injuries.
A crash happened on Union St in central Auckland this morning. Photo / Google MapsOne lane was blocked following the incident.
The Transport Agency was warning motorists travelling through the area to take care when navigating past the incident.