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

MADISON, Wisconsin — A teenager shot and killed a fellow student and a teacher and wounded six other people at a small private Christian school on Monday, leaving a community reeling as another act of violence struck America.

Three people are dead, including the shooter, and at least six others were injured in the shooting at Abundant Life Christian School, according to police.