At first, police thought the 12-year-old Tyrone, Pa., girl was hit by a stray hunter's bullet. This, after she had been shot outside her home Monday as she left for school about 7 a.m. Even the Pennsylvania Game Commission was brought in to investigate, according to the Associated Press.

Now it turns out the girl accidentally injured herself while apparently mishandling a .22-caliber rifle in her home and shooting herself in the stomach.

Police now say the girl had grabbed the rifle and was returning it to a safe when it fell and discharged in her Snyder Township home, AP writes.

Police aren't releasing the name of the girl, AP reported. She is expected to recover.

Initially, the Tyrone Area School District was on an exterior lockdown after the shooting, meaning classes operated normally but no visitors were allowed on school property, AP pointed out.

The lockdown was lifted about 11 a.m. Monday.