An ambulance is rushing to the scene of a three car crash outside Christchurch this morning, with reports of a person being trapped.

Emergency services were called to the accident at the intersections of Kirk and Maddisons roads at Templeton, south of Christchurch, at 9.27am.

St John is currently on its way to the scene, a spokesman said.

There are reports that one person is trapped inside a vehicle, but St John said that is as yet unconfirmed.