Maine West High School lockdown prompted by false ‘active shooter’ alarm, district says

A Maine West High School lockdown in Des Plaines was prompted by a false active shooter alarm, the district said. DES PLAINES, Ill. (WLS) — A north suburban high school has been evacuated after the « active shooter » alarm went off accidentally, the school district said. Police are on the scene at Maine West High School in Des Plaines, but they have not identified a threat, Maine Township High School District 207 said in a statement. The district said it believes either someone accidentally pushed the button, or there was a short in the system that caused the alarm to go off. That alarm caused a lockdown at the school. Still, the school is on lockdown « to keep students and staff safe » and to keep in line with protocol, the district said.