https://www.mercurynews.com/2019/03/26/russia-iran-lead-facebook-accounts-pulled-for-coordinated-inauthentic-behavior/

Facebook said Tuesday that it has removed more than 2,600 more accounts, pages and groups from its platform on the grounds of engaging in “coordinated inauthentic behavior.”

Of the 2,632 accounts that were deactivated from Facebook and Instagram, 1,907 had links to Russia, 513 were tied to Iran, and the remainder had connections with Macedonia and Kosovo.