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.

00:00 Intro 2:09 Tracking severe storms slamming the Northeast 4:46 Video captures plane's deadly collision with Pennsylvania state police helicopter 6:27 Terror plot targeting New York State Capitol building in Albany foiled: FBI 8:08 USS Lincoln heading home after 272 days at sea 9:54 FBI searches home of former Rep. Swallwell as part of criminal probe, sources say 10:37 Harry and Meghan's decision to return to the UK draws sharp reactions 12:51 DEA joins probe into Hayden Panettiere's death, sources say 13:20 Philadelphia police name suspect accused of terrorizing people with disturbing mask 14:39 Hundreds of women gather outside courthouse in support of Lindsay Clancy 15:27 Outrage after mailman appears to attack beloved Pasadena peacock 15:54 Fisherman rescued after 5 days at sea inside cooler 16:22 Dirt bike rider takes Los Angeles police on hours-long chase 16:47 Frozen blueberries linked to voluntary E. coli recall upgraded to highest risk level by FDA 17:13 America Strong: Dog clinging to cliff's edge for 17 hours rescued by local Tennessee fire crew

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