Manitoba RCMP responded to what turned out to be a false report of an explosive device at the Leaf Rapids Education Centre on Wednesday.
About 230 people were evacuated from the Town Centre Complex, which houses the education and health centres.
The RCMP Explosive Device Unit was called in to investigate, and determined no explosive was inside the building.
Police are looking for the individual who made the threat.
Anyone with information is asked to contact Leaf Rapids RCMP at (204) 473-2944 or Crime Stoppers at 1-800-222-8477.