The Security Service of Ukraine said in a tweet that it was able to effectively target Russian convoys near Kyiv because of messages sent to an official Telegram bot account called "STOP Russian War." In 2018, Russia banned Telegram although it reversed the prohibition two years later. Although some channels have been removed, the curation process is considered opaque and insufficient by analysts. READ MORE Telegram was founded in 2013 by two Russian brothers, Nikolai and Pavel Durov.
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