Extreme cold and snow squall warnings for Waterloo region and surrounding areas

A skater's breath trails behind him as he skates on the Rideau Canal Skateway in Ottawa on Sunday, Feb. 14, 2016 as an extreme cold warning is in affect, with morning temperatures at -28C, feeling like -38C with the wind chill. (THE CANADIAN PRESS / Justin Tang) A skater's breath trails behind him as he skates on the Rideau Canal Skateway in Ottawa on Sunday, Feb. 14, 2016 as an extreme cold warning is in affect, with morning temperatures at -28C, feeling like -38C with the wind chill. (THE CANADIAN PRESS / Justin Tang)

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Nashville shooter was ex-student with detailed plan to kill

The former student who shot through the doors of a Christian elementary school in Nashville and killed three children and three adults had drawn a detailed map of the school, including potential entry points, and conducted surveillance of the building before carrying out the massacre.

5 things to know for Tuesday, March 28, 2023

A warning for consumers to expect to pay more next month for three key items, a reminder about COVID-19 booster shots, and police reveal what they know about a deadly shooting at a Nashville school. Here's what you need to know to start your day.