Somara Theodore tracks severe thunderstorms in the East and the formation of Tropical Storm Debby in the Gulf of Mexico, and Faith Abubey is in Florida as residents brace for the Tropical Storm to strike; Ines de La Cuetara reports from Paris on Team USA's big day at the Olympics, with Simone Biles and Katie Ledecky both winning gold medals; Christiane Cordero reports on the stunning reversal in the plea deal for the accused 9|11 plotters, as the death penalty is now back on the table after Secretary of Defense LLoyd Austin revoked the controversial agreement; and more on tonight's broadcast of World News Tonight with David Muir.

Faith Abubey reports from the storm zone in Florida, where Tropical Storm Debby has made landfall, triggering a flood emergency and killing at least four people, and Ginger Zee tracks the storm's path from Georgia, where it's expected to bring potentially historic flooding; Rebecca Jarvis has details on the U.S. stock market facing one its worst days in nearly two years after a worldwide selloff and a weaker-than-expected jobs report renewed fears of a recession; Tom Soufi-Burridge has the latest on the American troops that were injured after two missiles targeted the Al Asad Airbase in Iraq, the U.S. DOD has confirmed; and more on tonight's broadcast.