Police officers are on hand after a threat referencing Sept. 11 was found written in a bathroom stall in a Bucks County school.
Officers are patrolling Central Bucks West High School in Doylestown as a precaution Monday.
It's not clear what the threat said, but principal Timothy Donovan told parents the situation was promptly addressed to ensure the safety of students and teachers.
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The school will excuse the absences of any students if parents decide to keep their children home.