UPDATE 3-U.S. 2018 elections 'under attack' by Russia -U.S. intelligence chief
February 13, 2018 at 17:55 PM EST
WASHINGTON, Feb 13 (Reuters) - Leaders of U.S. intelligence agencies warned on Tuesday that Russia will try to interfere in the 2018 U.S. midterm elections by using social media to spread propaganda and misleading reports, much as it did in the 2016 campaign.