A teenage gunman at a middle school in Richmond, IN, reportedly opened fire on police outside the school before killing himself.

No other students were injured in the incident at Dennis Intermediate School, according to ABC News.

According to reports, an unidentified person reported suspicious activity to police, who responded to find the gunman—who has not yet been identified—at the school.

Indiana State Police Sergeant John Bowling said, "Someone knew something and said something. The school was able to follow procedure to help protect students."