Watch Live: Ned Price holds briefing as U.S. warns Russia could invade Ukraine “at any time” (Video)

State Department spokesperson Ned Price is expected to hold a briefing at 2 p.m. ET on Monday after sources told CBS News the U.S. is preparing to withdraw all personnel from Kyiv in the next 24-48 hours amid concerns of a potential Russian invasion of Ukraine. National security adviser Jake Sullivan warned Sunday on "Face the Nation" that Russian President Vladimir Putin could launch a military action "essentially at any time." #news #livenews CBS News Streaming Network is the premier 24/7 anchored streaming news service from CBS News and Stations, available free to everyone with access to the Internet. The CBS News Streaming Network is your destination for breaking news, live events and original reporting locally, nationally and around the globe. Launched in November 2014 as CBSN, the CBS News Streaming Network is available live in 91 countries and on 30 digital platforms and apps, as well as on CBSNews.com and Paramount+. Subscribe to the CBS News YouTube channel: http://youtube.com/cbsnews Watch CBS News: http://cbsn.ws/1PlLpZ7c Download the CBS News app: http://cbsn.ws/1Xb1WC8 Follow CBS News on Instagram: https://www.instagram.com/cbsnews/ Like CBS News on Facebook: http://facebook.com/cbsnews Follow CBS News on Twitter: http://twitter.com/cbsnews Subscribe to our newsletters: http://cbsn.ws/1RqHw7T Try Paramount+ free: https://bit.ly/2OiW1kZ For video licensing inquiries, contact: licensing@veritone.com