Destroyed Russian vehicles and tanks in Mykhailivska Square on Nov. 19, 2022, in Kyiv, Ukraine. Millions of Ukrainians are facing severe power disruptions after recent waves of Russian missile and drone strikes reportedly left almost half of Ukraine's energy infrastructure disabled and in need of repair, as temperatures plunge.

Russian forces in Ukraine are burning through ammunition faster than the country's defense industry can replace it, U.S. National Intelligence Director Avril Haines said Saturday.

Russia is using up ammunition "quite quickly," prompting Moscow to look to other countries for help, including North Korea, Haines told NBC News' Andrea Mitchell at a panel at the Reagan Defense Forum in Simi Valley, California.