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
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.

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