ABC 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.

Whit Johnson reports on the stock market suffering a second day of massive losses with the Dow down more than 2,000 points as China responds to Pres. Trump's new tariffs with a 34% retaliatory tariff on all U.S. products; Morgan Norwood has the latest on the massive storm system that's spawned tornadoes, flooding and killed at least eight people, including a Kentucky boy who was swept away by floodwaters, officials say; Mireya Villarreal has details on the rising star in the professional bull rider circuit who was killed in a horrific rodeo accident in Texas in front of thousands of people; and more on tonight's broadcast of World News Tonight with David Muir.

As Trump's latest tariffs take effect, Jay O'Brien reports on the massive demonstrations across the U.S. as protesters rally against the president's policies and Elon Musk; Morgan Norwood reports from Arkansas where life-threatening storms — for the fourth day — have unleashed floods that are swamping roads and stranding motorists; the IDF says it will investigate after a newly released video appeared to show aid workers and first responders being fired upon by Israeli soldiers in Gaza; and more on tonight's broadcast of World News Tonight with David Muir.