ABC World News Tonight with David Muir Full Broadcast - March 1, 2026

Ian Pannell reports on the first American casualties during the joint U.S.-Israeli attack on Iran, with at least three service members killed in action and five more “seriously wounded”; James Longman has the latest on the shockwaves reverberating across the Middle East; Pierre Thomas has details on the shooting outside an Austin nightclub that left at least two people dead and the FBI investigation into a possible terror link; and more on tonight’s broadcast of World News Tonight with David Muir. 02:59 - At least 3 Americans killed as the U.S.-Israeli attack on Iran intensifies 09:39 - Shockwaves from attack on Iran reverberate across the Middle East 11:31 - Iranian regime shaken to its core after dozens of leaders killed in U.S.-Israel strikes 14:06 - Trump says operation in Iran could last up to 4 weeks 15:57 - FBI investigating possible terrorism link after Austin nightclub mass shooting 17:44- Iran strikes supported by most Republicans while Democrats demand answers 18:24 - Iran threatens to close the Strait of Hormuz amid attacks 19:16 - Tracking the bitter cold and snow from Minnesota to Maine 19:45 - Daring hot air balloon rescue in Texas after crash into communications tower 20:06 - “Shockwaves: The Attack on Iran – ABC News Special,” airs Sunday at 9 p.m. ET ABC World News Tonight with David Muir delivers the news that matters most. Watch to get the latest news stories and headlines from around the world. Follow ABC World News Tonight on... Instagram: https://www.instagram.com/abcworldnewstonight/ TikTok: https://www.tiktok.com/@abcworldnews X (formerly Twitter): https://twitter.com/ABCWorldNews Facebook: https://www.facebook.com/WorldNewsTonight Threads: https://www.threads.net/@abcworldnewstonight ABC News is your trusted source for breaking news, analysis, exclusive interviews, headlines, and videos: https://abcnews.go.com/ Subscribe to ABC News on YouTube: https://bit.ly/2vZb6yP Watch full episodes on Hulu: http://abcn.ws/3bzvQQn #WorldNewsTonight #DavidMuir #News #ABCNews