CTV National News for Saturday, April 18, 2026: Confusion surrounding Strait of Hormuz continues

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.