India's government has invoked "emergency powers" and banned the channels for allegedly posting fake news.
The list of global companies cutting ties with Russia continues to grow as sanctions against Moscow rack up over its attacks on Ukraine.
Several channels run by Ukrainian separatists have been blocked by YouTube and Facebook amid soaring tension between Moscow and the West.
Dozens of fact-checking organisations said videos containing false information had gone "under the radar of YouTube's policies, especially in non-English speaking countries".
Policy reps from each company faced US Congress to talk about kids and online safety, marking the first time Snapchat and TikTok appeared in a major tech hearing.
Video-sharing giant YouTube has already banned posts that spread falsehoods around coronavirus treatments. The Google-owned site now says its concerns about the spread of medical conspiracy theories go beyond the pandemic.
The company said on Tuesday it would turn off its “location history” feature, which tracks location data, for users under 18 globally.
The social media platforms had given assurance of crackdown against vaccine misinformation but fake content continues to go around.
An increasing number of songs created by voice cloning technology are making rounds on the Internet. But fraudsters also enjoy using AI-generated voice clones.
Social media influencers in France say an advertising agency offered to pay them if they agreed to smear Pfizer’s Covid-19 vaccine with fake stories.
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.
Omar and Hana infuse teachings from the Quran with colourful animation.
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