Two trucks are understood to have collided in the Bay of Plenty.
At least one person is believed trapped in one of the vehicles after the crash on Te Puke East Rd near Pongakawa.
A Northern Fire Communications spokesperson said fire crews were on their way to the scene.
Police and ambulance were at the scene, and it was understood State Highway 2 had been shut down.
It was unclear whether anyone had been injured at this stage.