JOHNS ISLAND, S.C. — Authorities in South Carolina say a driver for a ride-hailing service fatally shot his passenger during an altercation in the car. 

Charleston police responded to a call late Tuesday night to a parking lot on Johns Island. Police found a 51-year-old man suffering from a fatal gunshot wound in the backseat of a Chevrolet Cruze. 

Police spokesman Charles Francis said investigators believe an altercation happened inside the vehicle and the driver then shot the passenger. The driver had not been charged with a crime as of Wednesday night.

Details about the driver and the victim weren't immediately released.