The Mapleton Police Department and Blue Earth County Sheriff’s Department responded to a bomb threat at Maple River High School in Mapleton Monday afternoon. Officials say a student found a hand written note in a women’s bathroom which made reference to a bomb being at the school. The school was evacuated. A suspect was quickly uncovered and an arrest was made. The suspect is a juvenile female and a student at Maple River. It was determined that there was no bomb in the school and no students were in any danger at any time. The threat was discovered while students were conducting a scheduled emergency lock-down drill.