A shooting by a 12-year-old girl at a Californian school is thought to be unintentional, Los Angeles police say.
The girl has been charged with "negligent discharge of a firearm" after the incident left five injured.
A 15-year-old boy, who was shot in the head, and a 15-year-old girl, who was shot in the wrist, are both in a stable condition and are expected to make a full recovery.
A semi-automatic handgun was recovered at the scene.
It happened at 08:55 local time (16:55 GMT) on Thursday at Salvador Castro Middle School in the Westlake district.
An 11-year-old boy, a 12-year-old girl and a 30-year-old woman sustained minor injuries but were not shot directly.
A student who was at the classroom at the time told ABC News that he believed the girl thought the weapon was a toy gun and "didn't mean to" shoot anyone.