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World · November 2, 2026

Ukraine says Russia used Oleshky ceasefire to reinforce positions

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Both Ukraine and Russia reported that their emergency alert systems were targeted by cyberattacks on Sunday night, resulting in fake warnings of nuclear, chemical, and radiation threats. In Ukraine, the air alert app, which millions rely on for security, sent messages around 10:45 p.m. local time claiming street fighting had begun in Kyiv and that an 'Oreshnik' missile had been launched. Russian authorities also reported a hack of their own alert system shortly thereafter. Simultaneously, Ukraine's General Staff alleged that Russian forces utilized a recent humanitarian ceasefire in the southern town of Oleshky to reinforce their military positions.

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Reported across the spectrum

  • Emergency alert systems in both Ukraine and Russia were targeted by cyberattacks on Sunday night.
  • Ukrainian users received false alerts regarding radiation hazards, chemical threats, and street fighting.
  • A fake message mentioned the use of an 'Oreshnik' missile.
  • Ukraine's air alert app was temporarily taken offline following the hack.

Reported by only some outlets

  • Ukraine's General Staff stated that Russian forces used a humanitarian ceasefire in Oleshky to strengthen military positions.
  • The Ukrainian air alert app has been downloaded more than 46 million times.
  • Approximately 6.6 million people in Ukraine currently use the app as their primary source for air threat notifications.
  • The alerts began around 10:45 p.m. Kyiv time.

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