UkraineâÂÂs Air Force has said its air raid alert app sent erroneous messages after allegedly being hacked by Russia.
Fake alerts warning of nuclear and chemical threats to areas in and around Kyiv were sent on Sunday, along with warnings of potential street combat. An erroneous message also said RussiaâÂÂs hypersonic Oreshnik missile had been deployed.
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âÂÂThe air alert app appears to have been subjected to enemy influence,â the Ukrainian Air Force said on Telegram on Sunday. âÂÂThere is no radiation threat! Stay calm and follow our updates on our channel.âÂÂ
SPRAVDI, UkraineâÂÂs Centre for Strategic Communications, blamed Russia for the hack in a post on X.
The raid alert app is used across Ukraine to warn people in real time of incoming Russian air attacks. A separate app, specifically for the Ukrainian capital, was working normally, according to Kyiv authorities.
Hours later, early on Monday morning, RussiaâÂÂs Emergencies Ministry said its mobile app had been hit by a âÂÂmassive cyberattackâÂÂ.
The ministry said on Telegram that the attack led to the spread of âÂÂfalse informationâÂÂ.
RussiaâÂÂs and UkraineâÂÂs announcements follow the end of a truce between the two countries in Kherson.
The localised ceasefire, which began on Tuesday and ended on Sunday, was the longest of the war so far.