YONKERS - A 12-year-old boy is in grave condition after apparently accidentally shooting himself in the head in Yonkers on Saturday night, police said.

The boy was shot in his right temple, Yonkers police said today.

The shooting occurred shortly before midnight at 358 Nepperhan Ave., where police found the boy bleeding from his head. He was on a bedroom floor, where Yonkers firefighters and Empress EMS helped him and performed CPR before he was taken to a hospital, police said.

UPDATE:Yonkers boy, 12, who accidentally shot himself dies

At the time of the shooting, the boy was alone in his home with a younger neighbor, who was in a separate room, police said. The neighbor was not involved and not injured.

Somehow the boy got an illegal, loaded .25-caliber semiautomatic pistol and fired two shots, police said. One of the bullets hit a window, and the other hit the boy, they said.

A short time later, adults and family members found the boy and called 911, police said.

Investigators are trying to figure out how the boy got possession of the gun.

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Twitter: @MattSpillane