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. It is unclear who runs the account, although Russia's official Ministry of Foreign Affairs Twitter account promoted the Telegram channel on Saturday and claimed it was operated by "a group of experts & journalists." Such instructions could actually endanger people — citizens receive air strike warnings via smartphone alerts. NEWS For example, WhatsApp restricted the number of times a user could forward something, and developed automated systems that detect and flag objectionable content.
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