Heavy smoke is billowing from a three-alarm chemical fire involving multiple containers at Port Metro Vancouver.
Vancouver Coastal Health said trichloroisocyanuric acid, which can be used as an industrial disinfectant, is burning at the terminal.
John Parker-Jervis, a spokesman for Port Metro Vancouver, said the terminal has been shut down and employees have been sent home.
The City of Vancouver tweeted that people in the area should stay inside and close their windows.
Police are assisting with traffic control in the area and TransLink service on the West Coast Express may be delayed or cancelled.
Firefighters said CP Rail has been advised to shut down a nearby the rail line.
A witness to the fire, Barry Duncan, tweeted that the heavy smoke showed no signs of stopping.
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