In a special edition of World News Tonight, David Muir reports from Kerrville, Texas the epicenter of one of the deadliest U.S. floods in decade. At least 104 people, including dozens of children, have been killed; Matt Gutman reports as officials are pressed about their response to the Texas flooding and whether there could have been a better warning system; Mireya Villarreal flies with a Coast Guard crew using a special camera to search for survivors in Texas; and more on tonight's broadcast of World News Tonight with David Muir.

Russia launches largest aerial assault on Ukraine; At least 3 killed after flash flooding in New Mexico, including children; Police say 1-year-old boy dead after mom leaves sons inside hot car.