An Arctic air mass is moving across North America, causing extreme cold in the Prairies. CBC's Alexandre Silberman speaks with members of the Circle Project, an Indigenous non-profit in Regina stepping up to help vulnerable people get through the extreme temperatures. »»» Subscribe to CBC News to watch more videos: http://bit.ly/1RreYWS For breaking news, video, audio and in-depth coverage: https://www.cbc.ca/news Follow CBC News on TikTok: https://www.tiktok.com/@cbcnews Subscribe to CBC News