Confusion and tensions rise as Iran closes the Strait of Hormuz just one day after it was allegedly partially re-opened; residents in the Ottawa-Gatineau region are building sandbag walls with hopes to minimize flooding in their homes; Health Canada warns against unregulated and unverified peptide sales as consumers flock to get the product online; and more.

CTV National News for Monday, April 20, 2026: Former undercover RCMP officer faces court in national security case
23:31

CTV National News for Sunday, April 19, 2026: Trump continues threatening Iran’s infrastructure
23:24

CTV National News for Friday, April 17, 2026: U.S. blockade to remain, despite Strait of Hormuz reopening
23:07