MARIETTA — A 3-year-old boy was hospitalized Sunday when he accidentally shot himself in the hand while left without parental supervision in a car.

According to a press release from the Cartersville Police Department, the boy was left inside the vehicle, along with four other juveniles, at around 3 p.m. with access to a loaded firearm outside a house at 26 Herring St. in Cartersville.

The mother of the boy, Vesherica Gainor, was later arrested on charges unrelated to the shooting.