A dangerous late-August heat wave has spread across the Midwest and is expected to hit the Northeast and Mid-Atlantic through the week, Ginger Zee has the forecast and Mola Lenghi has the latest on the deadly landslide in Alaska that destroyed multiple homes; Ian Pannell has details on Russia's largest air attack on Ukraine since the start of the war, which targeted critical water and power plants, and killed at least seven people; Faith Abubey reports on the tragic death of a high school quarterback in Alabama, who died after suffering a brain injury following a routine tackle mid-game; and more on tonight's broadcast of World News Tonight with David Muir.

Pierre Thomas has the FBI's new evidence into the assassination attempt on former Pres. Donald Trump, saying suspected shooter Thomas Matthew Crooks engaged in a "sustained, detailed effort to plan an attack" on some major event; Mola Lenghi has the latest on former Nevada politician Robert Telles found guilty in the 2022 killing of Las Vegas journalist Jeff German, who was stabbed to death after exposing allegedly toxic misbehavior inside Telles' office; Matt Gutman reports on the DOJ's bust of a nationwide crime tourism ring operating out of Los Angeles that provided rental cars and information to criminals, many of whom traveled to the U.S. as tourists, according to the indictment; and more on tonight's broadcast of World News Tonight with David Muir.