Ukraine's Air Force said Sunday its Air Alert app had been compromised after it reportedly sent false warnings of nuclear and chemical threats in Kyiv and other areas. The app briefly displayed alerts for nuclear and chemical incidents, as well as warnings of street fighting, according to Reuters. The Air Force said unauthorized persons had interfered with the app's operation and that it had temporarily disabled push notifications. "There is no radiation threat! Stay calm, follow our messages on our channel," the Air Force said on Telegram, according to a translation. Two hours later, Russia's Ministry for Emergency Situations said its mobile app had been subject to "a massive cyberattack, allowing attackers to send fake information to the public.
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