They say officers have arrested one person and are doing a sweep of the building.

Roadways around the building have also been closed and people are being asked to avoid the area.

City councillors and the mayor had been at a scheduled meeting of the emergency advisory committee.

Loud bangs can be heard in video footage of the meeting, before people were told to go to a safe location.

This report by The Canadian Press was first published Jan. 23, 2024.

The Canadian Press