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

Police said the suspected shooter killed a student and a teacher and injured six others before taking her own life.

A teacher and a teenaged student were killed and six others were injured in a shooting at a school in Wisconsin, police say. Madison Police Chief Shon Barnes said the suspect, a teenager who was a student at the Abundant Life Christian School in Madison, was also among the dead. At least two students have suffered life-threatening injuries.