A shooting at a small Christian school in Madison, Wisconsin, on Monday, left a teenage student and a teacher dead and several others injured, casting the small religious community into mourning just days before the school was going to close for Christmas.

A 15-year-old female student opened fire with a handgun at a Christian school in Wisconsin, killing a teacher and a student. The shooter also died, police said.

The police in Wisconsin are working to establish a motive for the attack, which left a student and teacher dead and six others injured.