Albany High School, located near Washington and Main avenues, went into lockout at around 10:20 a.m. due to a report of a person with a knife outside of the building, the school announced in a Facebook post to parents.
At 11:20 a.m., the school announced that it had returned to normal security procedures.
Albany Police responded to the scene and found no evidence that the individuals identified had a knife, the school said.
During a lockout, school operations continue inside the building, but nobody can enter or leave the campus.
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