Sixth-Grade Girl Opens Fire At US School, Injures 3: Police

The unnamed student at Rigby Middle School near Idaho Falls was in the sixth grade, meaning she would likely be aged 11 or 12.

A girl opened fire at a school in the northwestern US state of Idaho on Thursday, injuring three people before being disarmed by a teacher, police said. The unnamed student at Rigby Middle School near Idaho Falls was in the sixth grade, meaning she would likely be aged 11 or 12. She "retrieved a handgun from her backpack, fired multiple rounds inside of the school and out," said Jefferson County sheriff Steve Anderson. Injuries suffered by two students and one staff member are not thought to be life-threatening, he said.