… First Nation, Chief Vern Janvier of the Chipewyan Prairie Dene First Nation … and Chief Neil Cheecham of Fort McMurray #468 First Nation … addictions crisis forces First Nations to declare emergency … below. Article content First Nations in the region …… First Nation, Chief Vern Janvier of the Chipewyan Prairie Dene First Nation … and Chief Neil Cheecham of Fort McMurray #468 First Nation … addictions crisis forces First Nations to declare emergency … below. Article content First Nations in the region …