One person has been flown to Christchurch Hospital in a serious condition following a crash involving a car and train near Dunsandel.

Emergency services were called to the level crossing on Frasers Road, near State Highway 1, about 10.20am.

A St John spokesperson told chrislynchmedia.com they were notified of the crash at 10.17am.

St John responded with one helicopter, one ambulance, an operations manager and a rapid response vehicle.

“One patient was assessed at the scene and has been transported to Christchurch Hospital in a serious condition (by helicopter).”

Police initially reported the person’s injuries as moderate.

Motorists are being advised to expect delays on State Highway 1 while emergency services work at the scene.