Global National: March 4

Much of southern Ontario is digging out after a winter storm blanketed much of the province. The snowstorm dropped as much as 30 centimetres of snow in some areas; grounding flights, knocking out power for thousands of homes and even unleashing a rare phenomenon called “thundersnow.” Canada’s defence chief wraps up his first visit to Ukraine since Russia’s invasion began, just as Moscow appears to be on the cusp of its first victory in months. Prime Minister Justin Trudeau faces pressure to call an inquiry into allegations of Chinese interference in Canadian elections, with some experts calling for the federal government to start planning new legislation. Plus, a new study finds a link between excessive screen time and suicidal behaviours in pre-teens. And a Saskatchewan high school turns to coding to help students preserve Indigenous culture.