On the morning of 22 February, radio announcements of an air-raid warning and a missile strike threat were made in 10 Russian cities, and later the Russian Emergencies Ministry said that it was a hacker attack.
Details: "Attention, an air-raid warning is being announced. Go to the shelter immediately. Attention, Attention, threat of a missile strike" was broadcast on the radio stations Relax FM, Avtoradio, Yumor FM and Comedy radio.
It was heard by residents of the cities of Pyatigorsk, Tyumen, Voronezh, Kazan, Nizhny Novgorod, Magnitogorsk, Belgorod, Stary Oskol, Ufa, and Novouralsk.
Subsequently, the Russian Emergencies Ministry said that this appeared on radio stations because of a hacker attack. "As a result of a hacker attack on the servers of some commercial radio stations in some regions of the country, information was broadcast about an alleged announcement of an air-raid warning and a threat of a missile strike," the report says.