Police issue warning after carfentanil found in drugs seized north of Toronto

RICHMOND HILL, Ont. — Police are warning the public after the deadly opioid carfentanil was found north of Toronto in York Region.

York regional police say officers were called to a gas station in Richmond Hill, Ont., on Jan. 28 to investigate a report of an injured woman in the washroom.

They say officers seized a quantity of white powder, believed at the time to be fentanyl, but say testing by Health Canada has determined the powder contained carfentanil.

Carfentanil, which is 100 times more powerful than fentanyl and 10,000 times more potent than morphine, is commonly used by veterinarians to tranquilize large animals.