ABC World News Tonight with David Muir Full Broadcast - Aug. 30, 2026

More than 20 people may be missing following a flash flood in Grand Canyon National Park in Arizona, according to park officials, Dani Beckstrom reports on “significant flash-flood event” occurred in Bright Angel Canyon and the Phantom Ranch area; Steven Portnoy has the latest on the United States forces striking two Iranian rocket launch sites on Larak Island, according to a U.S. official.; Rachel Scott reports on the legacy of Dolly Parton living on through the eyes of young readers heading back to school and more on tonight’s broadcast of World News Tonight with David Muir. 00:00 Intro 02:14 More than 20 people may be missing following a flash flood in Grand Canyon National Park 04:52 U.S. forces strike 2 Iranian rocket launch sites 06:42 New video of the first moments of the ice breaking off from a landslide triggering catastrophic flooding in Nepal 09:21 20-year-old football player suddenly died after a medical emergency on the sidelines 10:56 A boat capsized off near Northern Cyprus killing at least eight people 11:50 NASA launching a new telescope to explore the hidden universe 13:49 Urgent manhunt after a deadly shooting at a rave in Switzerland near Zurich 14:10 Health officials in North Carolina are warning people who came in contact with baby goats at a mobile petting zoo 14:33 Three injured after a boat fire on Long Island Sound 14:51 A South African airline is defending its crew after flying low over a stadium 15:14 A champion is crowned at the Little League World Series in Williamsport, Pennsylvania 15:29 The U.S. Open is officially underway in New York with some tennis legends hitting the court 16:54 Dolly Parton made her living through music but she changed lives through her generosity 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