A large-scale air-raid warning was issued three times on 7 March due to the take-off of MiG-31K fighter jets in Russia.
Source: Yurii Ihnat, spokesperson for the Air Force, in a comment to Ukrainska Pravda Quote: "So far, three Russian MiG-31Ks have been spotted taking off from the Savasleyka airbase in Nizhny Novgorod Oblast of the Russian Federation.