Such instructions could actually endanger people — citizens receive air strike warnings via smartphone alerts. Perpetrators of such fraud use various marketing techniques to attract subscribers on their social media channels. 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. After fleeing Russia, the brothers founded Telegram as a way to communicate outside the Kremlin's orbit. They now run it from Dubai, and Pavel Durov says it has more than 500 million monthly active users. In 2018, Russia banned Telegram although it reversed the prohibition two years later.
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