A person has died after a car plunged into a creek in the Southland town of Balfour.

The car was found in a deep creek in Balfour, a little more than 40km northwest of Gore. Photo: Google Maps
A caller told police the car was submerged upside down in the deep creek, about 10am today.
The Serious Crash Unit was investigating and police put diversons in place around part of State Highway 94.