CLAY CENTER, Neb. (AP) — Authorities say a teenage brother and sister have died in a car crash on a rural gravel road in south-central Nebraska.

The crash occurred early Tuesday morning on Road 312 just south of Clay Center. Authorities say 17-year-old Jacob Johnson and 15-year-old Taylor Johnson were pronounced dead at the scene.

Clay County Sheriff Jeff Franklin says three of the four minors in the car were ejected. Names and information about the others in the car have not been released.

The crash cause is being investigated.