BRENTWOOD, Pa. -- A Brentwood High School student is in trouble for writing a threat on the bathroom wall.

Extra police were on campus for the start of the school day Friday morning.

This after school security discovered a Columbine-like statement in a bathroom stall on Thursday.

The district evacuated the building, but found nothing.

Police said a student admitted to making the threat as a prank.

That student will now face disciplinary action.