Police are still searching for a motive behind the attack at a private Christian school.

Police say clarifying a motive for Monday's deadly school shooting in the state's capital of Madison is a priority.

Two people were killed by the attacker, identified as a teenage girl who attended the school.

Two people were fatally shot and several injured during a school shooting in Madison, Wisconsin.

Explaining some of the key statistics behind gun ownership and attacks linked to guns in the US.

Police have identified the suspect, who is also among the dead, as a 15-year-old female student.

Advocacy groups call the controversial weapon "the fastest growing gun safety problem in the US".

Two Kindergarten-aged children wounded in the shooting are in critical but stable condition, police say.