SAN FRANCISCO (Reuters) – Facebook Inc (FB.O) said on Wednesday it would conduct a new, comprehensive search of its records for possible propaganda that Russian operatives may have spread during the run-up to Britain’s 2016 referendum on EU membership.
Some British lawmakers had complained that the world’s largest social media network had done only a limited search for evidence that Russians manipulated the network and interfered with the referendum debate.
Russia denies meddling in Britain’s vote to exit the European Union, known as Brexit, or in the 2016 U.S. elections.
Facebook, Twitter Inc (TWTR.N) and Alphabet Inc’s (GOOGL.O) Google and YouTube have been under intense pressure in Europe and the United States to stop nations from using tech services to meddle in another country’s elections, and to investigate when evidence of such meddling arises.
Facebook’s new search in Britain will require the company’s security experts to go back and analyze historical data, Simon Milner, Facebook’s UK policy director, wrote in a letter on Wednesday to Damian Collins, chair of the British parliament’s Digital, Culture, Media and Sport Committee.
“We would like to carry out this work promptly and estimate it will take a number of weeks to complete,” Milner wrote.
Facebook said in December that it had found just 97 cents worth of advertising by Russia-based operatives ahead of Britain’s vote to leave the EU. Its analysis, though, involved only accounts linked to the Internet Research Agency, a suspected Russian propaganda service.
Collins last month described Facebook’s initial…