ABC World News Tonight with David Muir Full Broadcast - Aug. 20, 2026

Aaron Katersky reports on the small plane that crashed midair with a Pennsylvania state police helicopter, killing the plane's pilot and injuring two state troopers, and the new video that shows the moment the collision happened; Pierre Thomas has the latest on the FBI foiling an alleged terror plot targeting the New York State Capitol building in Albany; Rachel Scott has details on Pres. Trump’s threat of what he calls "economic D-Day" on Iran, vowing "economic warfare" on an unprecedented scale; and more on tonight’s broadcast of World News Tonight with David Muir.
#WorldNewsTonight #DavidMuir #News #ABCNews