Regina Fire & Protective Services said it responded to a high number of suspected overdoses with reports of unconsciousness and cardiac arrest on Tuesday, according to an alert from the Saskatchewan Ministry of Health.

“Some cases required multiple doses of naloxone and emergency medical responses, including hospital intervention,” the alert read.

Read more: • Ministry of Health issues drug and overdose alert for Regina area • Overdose alert issued after Regina sees four suspected overdose deaths in a week • Health ministry issues overdose risk for Saskatoon and area

The substance is “unknown,” but in some cases, “individuals believed they obtained methamphetamine (crystal meth, meth),” but it may contain fentanyl or other unknown opioids.

While it might take multiple doses of na

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