A girl aged 11 shot and wounded two of her fellow students and a member of staff at a school in the US state of Idaho, police said.
The unnamed pupil, who is in the sixth grade, brought a gun to Rigby Middle School in the city of Boise and opened fire.
The three victims are expected to survive, officials said.
A female teacher managed to disarm the girl and detained her until police took her into custody, authorities said.
A motive is yet to be established police said. END.