CRETE --A high school student in the far south suburbs was arrested after police say he brought a gun to school. It happened Wednesday at Crete-Monee High School in Crete. School officials say the student was seen with the gun on a bus Wednesday morning. A search of the student's locker found a 9 millimeter automatic weapon. The student was taken into custody. And police say he was carrying a clip of ammunition. No charges have been filed. Crete Monee High School was on lockdown during the incident.