Aaron Katersky has details on gunman who was arrested after allegedly shooting and killing a Walgreens employee and has a grudge against large scale pharmacies, according to police; Trevor Ault has the latest on the out-of-control truck in downtown Boston that jumped the curb and crashed into a restaurant, injuring multiple people, according to police; Pierre Thomas reports on ICE admitting to an "administrative error" in sending an immigrant to a notorious El Salvador prison despite a court order preventing him being deported there; and more on tonight's broadcast of World News Tonight with David Muir.

Rebecca Jarvis reports on Pres. Trump's sweeping new tariffs that have sent stocks plummeting, leading to the markets' worst day since the start of the pandemic five years ago; Victor Oquendo has the latest on the multi-day, life-threatening that has killed at least six people; Rachel Scott has details after sources tell ABC News that Pres. Trump fired six National Security Council staffers following a meeting with far-right activist Laura Loomer; and more on tonight's broadcast of World News Tonight with David Muir.