Nbc Nightly News

Katie Ledecky wins 1,500-meter freestyle and 8th gold medal; Supporters of Hamas and Hezbollah call for revenge after killings of leaders; Wildfires explode in Colorado, killing at least one person and forcing evacuations; and more on tonight’s broadcast. Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.