CBC News: The National | U.S. calls Iran's forces 'depleted' as war expands

March 4, 2026 | U.S. officials say Iran's forces are 'depleted' but the war in the Middle East is still in its early days. A CBC News investigation pushes for accountability on the hidden danger of radon . Plus, a fireball and sonic boom light up the night sky over Vancouver. 00:00 The National for March 4, 2026 01:36 Middle East conflict: Day 5 02:36 U.S. projects confidence about the war 05:28 NATO intercepts missile headed for Turkey 05:56 Iran targets oil port in the U.A.E. 06:16 What's happening inside Iran 09:38 Israel attacks Hezbollah inside Lebanon 13:04 Plans to get Canadians out of region 15:04 Carney asked about Canada joining war 15:38 Can Canada fill the oil supply gaps? 18:51 Carney on trade trip to Australia 20:57 Minister meets with OpenAI CEO 21:56 Judge says companies owed tariff refunds 23:00 Push to update radon gas guidelines 25:28 The Breakdown 26:21 Iran war: What happens next? 31:58 What's known about Trump's Board of Peace 38:18 What's at stake in Nepal's Gen Z election 43:50 The Moment | Vancouver fireball The National is the flagship of CBC News, showcasing award-winning journalism from across Canada and around the world. Led by Chief Correspondent Adrienne Arsenault, our team of trusted reporters helps you make sense of the world, wherever you are. #news #latestnews #cbcnews Subscribe to get the latest news daily, and watch live starting at 9 p.m. ET. https://www.youtube.com/user/CBCTheNational?sub_confirmation=1 More from CBC News | https://www.cbc.ca/news