UPDATE: 4/30/13 7:34 PM
BURKESVILLE, Ky. (AP) -- Cumberland County Coroner Gary White told the Lexington Herald-Leader the children's mother was at home at the time.
White said the boy received the rifle made for youths last year and is used to shooting it. He said the gun was kept in a corner and the family didn't realize a shell was left inside it.
White said the shooting will be ruled accidental.
BURKESVILLE, Ky. (WBKO) – Detectives from Kentucky State Police Post 15 say they are investigating a shooting that occurred Tuesday at approximately 1:03 PM CST at a residence on Lawson's Bottom Road in Cumberland County.
Troopers say the shooting occurred when a five year old male, while playing with a .22 caliber rifle, accidentally shot his two year old sister.
The child was transported to the Cumberland County Hospital where she was later pronounced dead by the Cumberland County coroner.
An autopsy is scheduled for Wednesday.