Two children were injured in a head-on crash after a car drove the wrong way on Auckland's northwestern motorway this morning.
One child and one adult sustained serious injuries in the collision and were taken to hospital, where they are said to be in a stable condition.
A second adult and another child suffered minor injuries.
The crash occurred on the city-bound lanes of the northwestern motorway between Lincoln Road and Te Atatu.
A car driving the wrong way in the city-bound lane collided head-on with another car around 1.30am, police said.
The car was picked up on traffic CCTV cameras shortly before the incident.
Ambulance staff treated the injured at the scene, and took the adults to Auckland City Hospital and the children to Starship.
A spokesman for Auckland District Health Board said one adult and one child were admitted into its care.
The Lincoln Road city-bound on ramp has been closed while the scene is cleared.
The police serious crash unit will be investigating the crash.