Emergency services have scrambled to a two-car collision in north Otago and serious injuries have been reported.

Two helicopters have been called to assist with the response.

Police said they were called to the crash on State Highway 1, north of Waihola about 12.15pm.

The accident occurred at the intersection of Titri Rd and Bungards Rd, the road between both roads has since been closed.

Motorists have been asked to divert their commute away from the incident while the patients are treated.

Police said they were called to the crash on State Highway 1, north of Waihola about 12.15pm. Photo / Otago Daily Times

Hato Hone St John said in a statement that three ambulances and two helicopters had been sent to the scene.

Three fire units have also assisted.

The Serious Crash Unit has been advised of the accident, police said and inquiries into the crash’s circumstances are under way.

- Additional reporting by Otago Daily Times