Video shows Ukrainian counteroffensive reaching a critical Russian defensive line

Ukrainian forces in southern Ukraine can be seen for the first time at one of Russia's long-stretching "dragon's teeth" defensive lines in a new video circulating on Russian social media. CNN has geolocated the video to an area just east of the small villages of Nove and Kharkove in Ukraine's Zaporizhzhia oblast. CNN's Salma Abdelaziz reports. #CNN #News