Police evacuated a Bucks County high school Tuesday morning due to a written threat.
The threat was discovered inside a student restroom at Pennsbury High School West on Olds Boulevard in Levittown, Pennsylvania.
As a precautionary measure, the building was evacuated using standard fire drill procedures, the school district posted to its website around 11:45 a.m.
After about 30 minutes the school posted that police gave the all clear and students and staff would re-enter the school to resume classes.
No word on what the threat said or who left it in the restroom.
Falls Township Police categorized the incident as nothing more than a drill.