One person is dead and another injured at a serious crash on Kaipara Coast Highway near Helensville.
Police were advised of the crash involving a car and truck at 6.15pm at the intersection of Inland Road and State Highway 16.
"One person has since died at the scene, another has received minor injuries," a police spokesman said.
State Highway 16 is expected to be closed for some time and police are requesting that motorists consider delaying their travel until a scene examination is complete.