TAUNTON (CBS) – A Taunton High School student was arrested for threatening to “shoot up the school” with an AR-15.

Police say 18-year-old Kane Jefferson had not been at school for the better part of the school year but showed up on Monday morning and was met at the entrance by school resource officers.

READ MORE: Man Charged In 'Grandparent Scams' That Took Over $100,000 From Elderly NH Residents

Jefferson was wearing a backpack when he arrived and police say he immediately became animated. The student had previous disciplinary issues and administrators notified the officers that he intended to return to school on Monday.

READ MORE: New Hampshire's Deerfield Fair Returning For 2021 After Year Hiatus

Kane Jefferson arrested for threatening to kill police officers, shoot up school (Image from Taunton PD)

“An attempt by our officers to speak with Jefferson was met by him making threats to murder them,” Taunton Police said. “Mr. Jefferson was escorted to the security office. It was then that he threatened to disarm them, kill them, then return with an AR-15 and shoot up the school.”

He was arrested after a brief struggle and was charged with terroristic threatening, disturbing a school assembly, two counts of threats to murder, resisting arrest and disorderly conduct.

MORE NEWS: Massachusetts, New Hampshire Now Ranked Among 'Safest States During COVID' Thanks To High Vaccination Rate

No weapons were found at the time of his arrest.