The ban, instated until 1100 GMT on YouTube, Facebook, WhatsApp, Twitter and Telegram, comes as government tries to stem days of anti-French protests by supporters of now-banned far-right Tehreek-e-Labbaik Pakistan.
Instagram is exploring the launch of a version of the image-centric social network for children under 13, with parental controls.
The accounts were linked to an Egyptian marketing firm called Bee Interactive and were involved in political messaging.
A US-based Muslim advocacy group filed a court petition against the social media giant on Thursday, claiming the company has failed to police derogatory anti-Muslim content.
A user on a low-level hacking forum published phone numbers and personal data of 533 million Facebook users in 106 countries, reports Business Insider.
State telecommunications watchdog Roskomnadzor gives Twitter an extra month to remove "illegal content" or face a complete blockage in Russia.
Facebook said the leak was old and stemmed from a problem that had been fixed in 2019.
The hackers attempted to gain access to the computers and phones by creating fake Facebook accounts for supposed journalists and activists, as well as fake websites and apps intended to appeal to an Uighur audience.
The clas action lawsuit accuses Facebook of wrongly tracking users away from the social network, then making money from the data by selling it to marketers for targeting ads.
Turkey's new social media regulations require social media platforms with more than one million unique daily users to appoint representatives who can handle court orders to take down offending content within 48 hours.
Iranian social media has been awash with criticism of new music video by popular underground Iranian singer, “Sasy,” who over the years has become known for contentious lyrics that Iran's conservatives see as tainting the country's moral probity.
The move from the Russian authorities comes after nationwide protests over last month's jailing of Alexey Navalny, a prominent critic of President Vladimir Putin.
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