'A long period of extreme wind chill': Environment Canada warns of deep freeze in Sask.

Extreme cold conditions are expected over the next week as an Arctic air mass makes it way into the prairies. (CTV News file photo). Extreme cold conditions are expected over the next week as an Arctic air mass makes it way into the prairies. (CTV News file photo).

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BREAKING | U.S. President Joe Biden touches down in Ottawa

U.S. President Joe Biden arrived in Ottawa Thursday evening for a whirlwind 27-hour visit expected to focus on both the friendly and thorny aspects of the Canada-U.S. relationship, including protectionism and migration on both sides of the border.

President Joe Biden waves as he and first lady Jill Biden exit Air Force One as they arrive at Ottawa International Airport, Thursday, March 23, 2023, in Ottawa, Canada. (AP Photo/Andrew Harnik)