Manteno police report the arrest of a Manteno High School student after a gun was found in a locker earlier this week. According to reports, school personnel were notified through social media posts that a student planned to take a weapon to school. Officers were called just before six Tuesday evening after personnel found the gun in a book bag belonging to a student playing in the boy’s basketball game that evening. The juvenile was arrested for unlawful possession of a firearm among other gun-related charges. Manteno police say there were never any threats made to other students and the student allegedly took the gun to school on a bet.