New threats from extremist groups put the U.S. Capitol on high alert (Video)

The U.S. Capitol is on high alert Thursday because of new violent threats from alt-right extremist groups. CBSN's Tanya Rivero spoke with CBS News congressional correspondent Kris Van Cleave about the additional security measures being taken on Capitol Hill. Subscribe to the CBS News YouTube channel: https://youtube.com/cbsnews Watch CBSN live: https://cbsn.ws/live Download the CBS News app: https://cbsn.ws/1Xb1WC8 Follow CBS News on Instagram: https://www.instagram.com/cbsnews/ Like CBS News on Facebook: https://facebook.com/cbsnews Follow CBS News on Twitter: https://twitter.com/cbsnews Subscribe to our newsletters: https://cbsn.ws/1RqHw7T Get new episodes of shows you love across devices the next day, stream CBSN and local news live, and watch full seasons of CBS fan favorites and originals like "Star Trek Discovery," "The Good Fight," "No Activity," and many more to come with Paramount+. Sign up here: http://bit.ly/309gCe2 --- CBSN is CBS News' 24/7 digital streaming news service featuring live, anchored coverage available for free across all platforms. Launched in November 2014, the service is a premier destination for breaking news and original storytelling from the deep bench of CBS News correspondents and reporters. CBSN features the top stories of the day as well as deep dives into key issues facing the nation and the world. CBSN has also expanded to launch local news streaming services in major markets across the country. CBSN is available on CBSNews.com and the CBS News app across more than a dozen platforms, as well as the Paramount+ subscription service.