ST. LOUIS, Mo. (First Alert 4) - The Belleville Police Department is investigating an overnight burglary at Althoff Catholic High School last night.

According to the police department, the burglary happened Monday night into Tuesday.

Police say they saw suspects entering the school around midnight.

Officers and detectives are actively clearing the school and investigating the incident.

First Alert 4 will update this story as new information becomes available.

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