The individual behind the Monday shooting of multiple people at the Abundant Life Christian School in Wisconsin was a 17-year-old female student, a law enforcement official told The Associated Press. This is a developing story and will be updated when more information becomes available.

A 15-year-old student killed a teacher and another teenager with a handgun Monday at a Christian school in Wisconsin, terrifying classmates including a second grader who made the 911 call that sent dozens of police officers rushing to the small school just a week before its Christmas break.