https://www.theguardian.com/technology/2018/jul/31/facebook-russia-election-midterms-meddling

Company reports ‘coordinated inauthentic behaviour’ as it deletes 32 political pages and accounts

Facebook has detected “coordinated inauthentic behaviour” before the United States midterm elections that could be linked to the Internet Research Agency (IRA), a Russian-based group with ties to the Kremlin.