Ottawa vigil for Quebec City mosque shooting anniversary taking place Sunday

People light candles during a vigil on Parliament Hill, in response to the shooting at a Quebec City mosque on Sunday that killed six people, Monday, Jan. 30, 2017 in Ottawa. (Justin Tang/THE CANADIAN PRESS) People light candles during a vigil on Parliament Hill, in response to the shooting at a Quebec City mosque on Sunday that killed six people, Monday, Jan. 30, 2017 in Ottawa. (Justin Tang/THE CANADIAN PRESS)

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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.