Facebook said these accounts spread "sensational political content" designed to drive people to ad-laden websites outside the social media website.
Facebook said a security breach occurred in the social network's "view as" feature, which was fixed and informed law enforcement.
The suit accuses Facebook, Zuckerberg and Chief Financial Officer David Wehner of making misleading statements about or failing to disclose slowing revenue growth, falling operating margins, and declines in active users.
Social media company loses $120 billion in market value in a biggest one-day wipeout in the US stock market history.
The move, effective this week, comes at a time when the world’s largest social network is combating the spread of fake news on its platform, which has in some places become central to the distribution of news.
French President Emmanuel Macron met with tech giant CEOs on Wednesday to encourage investment into technology to transform France into a “startup nation” and push his case for an EU tax on digital turnover.
Facebook has come under scrutiny from politicians on both sides of the Atlantic after it emerged that Cambridge Analytica improperly acquired the data of 87 million users, including up to 2.7 million in the EU.
The social networking giant assigns new roles to top executives in the aftermath of a huge privacy scandal involving the now-defunct Cambridge Analytica.
Just enter your name and email and voila - you're free to use it. But at what cost? We delve into the belly of the beast and discuss how those free products aren't actually that free.
Users of the world's largest social network can make separate profiles to find a dating match based on shared interests.
Koum's plan to exit comes after clashing with the parent company over WhatApp's strategy and Facebook's attempts to use its personal data and weaken its encryption, the "Washington Post" earlier reported.
The results are a bright spot for the world's largest social network amid months of negative headlines about the company's handling of personal information, its role in elections and its fuelling of violence in developing countries.
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