Black smoke visible in Edmonton caused by 'unit upset' at Strathcona Refinery: company

A large flare at the Strathcona Refinery on the outskirts of Edmonton on January 30, 2023. (John Hanson/CTV News Edmonton) A large flare at the Strathcona Refinery on the outskirts of Edmonton on January 30, 2023. (John Hanson/CTV News Edmonton)

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At least 21 dead after tornadoes rake U.S. Midwest, South

Storms that dropped possibly dozens of tornadoes killed at least 21 people in small towns and big cities across the South and Midwest, tearing a path through the Arkansas capital, collapsing the roof of a packed concert venue in Illinois, and stunning people throughout the region Saturday with the damage's scope.