According to the Ukrainian “Rbc.ua” News Network reported on November 2, the Ukrainian territory to sound air defense alarm, due to the Russian MiG-31 K fighter jets launched.

MIG-31 fighter, data map, source: Russian media
“All of Ukraine is under threat of Missile Attack! K Mig-31 fighters have been spotted taking off,” the Ukrainian Air Force said in a social media post late Tuesday night local time, the report said. The report also said the MiG-31 K could carry dagger missiles.
According to the Ukrainian strana.ua News Network, air-raid sirens were sounded across the country and “A ‘dagger’ missile launch was recorded.”.
As of press time, Russia has not yet seen the official public response to this claim.