CTV National News for Tuesday, April 7, 2026: Last‑minute ceasefire halts Trump’s threats against Iran

An 11th‑hour ceasefire deal stalls U.S. President Trump’s warning that a 'whole civilization will die tonight' if Iran rejects the terms by the deadline; Prime Minister Mark Carney suggested that Ottawa may step in to help consumers if gas prices don’t fall, hinting at potential federal relief measures; Conflict of interest questions arise over Minister François-Philippe Champagne’s ties to a government-funded high-speed rail project, prompting calls for an ethics review.