CARLISLE, WI (AP) -

Police and school officials are looking into an incident in which a Carlisle High School student allegedly used a stun gun on a classmate.

The Des Moines Register reports that the incident happened Friday afternoon when one student used a self-defense Taser on another student during the last period of the school day.

Carlisle Police Chief Jason Doll says officers were called to the school to examine the student who was shocked. Doll says the student was not seriously injured. No charges have been filed in the incident.

Superintendent Bryce Amos says school officials consider it a serious school violation and will be conducting further investigation. He says school sanctions could follow.

Officials did not identify the students involved.