John F. Kennedy High School went into a Shelter-in-Place today when a trespasser came onto school grounds during lunch. The trespasser had an altercation with one of the students, and when other students approached the scene, the trespasser brandished a knife.

John F. Kennedy High School went into a Shelter-in-Place today when a trespasser came onto school grounds during lunch. The trespasser had an altercation with one of the students, and when other students approached the scene, the trespasser brandished a knife. #MCPS pic.twitter.com/S7WN4wjITy

— Allison Papson (@AllisonPapson) April 19, 2024