Power outage partially shuts down O-Train service Sunday evening

An east-bound OTrain pulls in to Rideau Station on the Confederation Line of the Light Rail Transit system in Ottawa, ON. (Brenda Woods/CTV Ottawa) An east-bound OTrain pulls in to Rideau Station on the Confederation Line of the Light Rail Transit system in Ottawa, ON. (Brenda Woods/CTV Ottawa)

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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.