https://phys.org/news/2018-07-facebook-sophisticated-efforts-disrupt-elections.html

Facebook stopped short of saying the effort was aimed at influencing the U.S. midterm elections in November, although the timing of the suspicious activity would be consistent with such an attempt.

According to a Facebook official, the company this week briefed members of the House and Senate as well as officials at the Department of Homeland Security. The official declined to be named because the briefings were private. Facebook disclosed its findings after The New York Times reported on them earlier Tuesday.