The City of Montreal says people within the area bounded by Bleury Street, St-Antoine Street, Beaver Hall Hill and René-Lévesque Boulevard must not use the water for any purpose. Firefighters and Montreal's water service are on the scene investigating a possible dangerous material incident in that sector of downtown Montreal. About 60 firefighters were called to the multi-storey building at 445 Viger Street just after 4 p.m. About 60 firefighters rushed to the scene in downtown Montreal during Thursday afternoon's rush hour. Once the water is safe to use again, the city will issue a notice.

Source: CBC News May 10, 2018 22:23 UTC