Facebook has come out claiming that Russia-based operatives published about 80,000 posts on the social network over a two year period in an effort to sway U.S. politics, and that about 126 million Americans may have seen the posts during that time. Facebook gave the details about the reach of Russian posts in written testimony the company provided to U.S. lawmakers which was seen by Reuters.

Executives from Facebook, Twitter and Alphabet’s Google are scheduled to appear before three congressional committees this week on alleged Russian attempts to spread misinformation in the months before and after the 2016 U.S. presidential election. The Russian government has denied any attempts to sway the election, in which President Donald Trump, a Republican, defeated Democrat Hillary Clinton. READ MORE