A woman is seriously injured after a crash involving a train and two vehicles south of Oamaru.
Police received a report of the collision at the State Highway 1 crossing at Reidston, which is close to Maheno about 15km south of Oamaru, at midday, a spokesperson said.
The road is closed and diversions are in place.
The Serious Crash Unit has been advised.
A St John spokesman said one woman had serious injuries and was being taken to Dunedin Hospital by helicopter.