False news often spreads via public groups, or chats, with potentially fatal effects. Russian President Vladimir Putin launched Russia's invasion of Ukraine in the early-morning hours of February 24, targeting several key cities with military strikes. Some privacy experts say Telegram is not secure enough 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." "Your messages about the movement of the enemy through the official chatbot … bring new trophies every day," the government agency tweeted.
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