A student at Rush City High School in Chisago County is accused of making threats to bomb or "shoot up" his school.
Sheriff's officials say the 17-year-old boy was arrested Monday after students told authorities about the alleged threats.
The teen is also accused of making direct threats against a female student.
The teen was taken to a regional juvenile center after he was arrested.
The Chisago County Sheriff's Office is investigating.
The Associated Press contributed to this report.
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