LOUISVILLE, Ky. (WDRB) -- A Shelbyville teen has been arrested after authorities say he chased his brother through Shelby County High School and threatened a student -- even after he had been court ordered to stay out of the building.

According to an arrest warrant, the incident in question took place on Wednesday, March 16.

Authorities say 18-year-old Jamel Thompson ran into the school building, chasing his younger brother, "after having been instructed numerous times by school personnel not to be in the building AND after having been court ordered to stay out of the building as well."

After running into the school, Thompson allegedly continued chasing his brother, "thereby disrupting the normal operations of the school."

"At one point, the defendant then confronted, shoved and threatened to cause physical injury to another student who happened to be at the school minding his own business and otherwise conducting himself in a law-abiding manner," the arrest warrant states.

Authorities say that, while Thompson was "wreaking havoc" at the school, a teacher tried to stop him, but he responded by running away.

Twice during the incident Thompson allegedly referred to a teacher by a derogatory name.

"The defendant's ignorant course of behavior was witnessed by both students and staff who had the misfortune of being exposed to and victimized by the defendant on this date," the arrest warrant states.

Thompson was arrested and charged with criminal trespassing, terroristic threatening, abuse of a teacher, disorderly conduct and harassment.

He is currently being held in the Shelby County Detention Center.

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