ST. PAUL, Minn. (WCCO) – Authorities say three people are in custody Monday morning after a fight prompted a lockdown at St. Paul Central High School.

The school was locked down for nearly an hour-and-a-half after two students fought and officials learned one of the students had a weapon.

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A student brought two knives and a BB gun to the school. None of the weapons were used in the fight and they were confiscated.

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School officials said the students planned the fight over the weekend.

Three people were taken into custody. Police say there is no threat to the school community.

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The school said the students would face strict discipline.