By CBS3 Staff

HAVERFORD TOWNSHIP, Pa. (CBS) — Haverford Middle School will open Thursday following a threat against the school late Wednesday afternoon. Police confirm a juvenile is in custody after they made a weapon-related threat against the school.

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School officials announced the threat in a letter sent home to parents.

The Haverford Township Police Department is helping the district address the situation and they say it’s safe to open on Thursday.

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Charges will be filed, according to police.