CTV National News for Tuesday, September 1, 2026: Carney’s Liberals reclaim a majority after sweeping three federal byelections

Prime Minister Mark Carney’s Liberals regained a majority in the House of Commons after sweeping three by-elections; U.S. President Donald Trump’s online attacks and criticism of Canada are being credited with shaping the federal byelection results; The Liberals’ win in Chicoutimi–Le Fjord deals a blow to the Conservatives, raising questions about Pierre Poilievre’s leadership.