At least one person is dead after a car crash on a busy state route in Riverside Sunday evening.

After 7 p.m., Riverside police and medics responded to reports of a two-vehicle crash on State Route 4 northbound at Harshman Road.

>>RELATED: Lanes on busy state route closed after crash in Montgomery County

Ohio State Highway Patrol troopers have also responded to the scene.

The cause of the crash is not immediately available.

SR-4 N is closed beyond N Keowee Street, according to an Ohio State Highway Patrol dispatcher.

News Center 7 is on scene working to learn more information.

We will continue to follow this story.