Fisher River, Peguis tests show first probable COVID-19 cases on Manitoba First Nations “Regrettably, we know it was not ‘if’ but ‘when’,” Assembly of Manitoba Chiefs grand chief Arlen Dumas told Global News. “And unfortunately, ‘when’ is here — it’s upon us now.”Dumas also says the communities are taking all the necessary precautions, and are handling the situation as best they can.“I get a little bit of faith in the strength of the leadership,” he said.“The communities have shone really well.