Facebook has seen no evidence of Russian interference in the Brexit referendum
http://tech.newstatesman.com/news/facebook-russia-brexit
Facebook has not yet uncovered any evidence of Russian interference in last year’s Brexit referendum or this year’s general election.
Nicola Mendelsohn, Facebook’s EMEA chief, spoke to Sky News about fears Russia may have exploited the social network to spread disinformation and propaganda in the run-up to the two votes.