Artem Kliuchnikov and his family fled Ukraine just days before the Russian invasion. Some privacy experts say Telegram is not secure enough In 2018, Russia banned Telegram although it reversed the prohibition two years later. Two days after Russia invaded Ukraine, an account on the Telegram messaging platform posing as President Volodymyr Zelenskiy urged his armed forces to surrender. Ukrainian forces successfully attacked Russian vehicles in the capital city of Kyiv thanks to a public tip made through the encrypted messaging app Telegram, Ukraine's top law-enforcement agency said on Tuesday.
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