Two people are in critical condition following a crash with a train.
Emergency services were called to the crash between the train and car around 10pm on Princess Street, Ngaruawahia.
Inspector Jason Greenhalgh says two people from the vehicle were taken to hospital in critical condition.
The Serious Crash Unit will investigate, says Jason.
People with information about the crash are asked to contact their nearest police station.
Alternatively, information can be left anonymously via the Crimestoppers 0800 555 111 line.