A Dixon Police Officer confronted an armed male subject at the Dixon High School at approximately 8:00 am on May 16, 2018. Preliminary investigation shows the suspect shot at the police officer, the officer returned fire, and the suspect was injured. His injuries are believed to be non-life threatening. The suspect is in custody and is receiving medical treatment. No students or staff were injured in the incident. The Dixon High School and all Dixon Public Schools are on lockdown. Dixon Police believe the suspect acted alone and that there is no further threat to the safety of students or staff. Multiple police agencies are on scene. Further information will be released as it becomes available. Peoria Avenue will be closed. The Media staging area will be on the Peoria Avenue bridge. This information was provided by Dixon City Manager Danny Langloss.