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.