Massive alarm due to enemy MiG-31K takeoff lasted half an hour.

Ukraine announced an air alert due to the threat of missile attack

On December 3 at 10:28, all of Kyiv and Ukraine declared an air alert due to the threat of missile attack. At 11:04, an alarm signal sounded in all regions of Ukraine, except for Sumy region and temporarily occupied territories. 

According to the Ukrainian Air Forces, the alert was announced due to the detection of an enemy MiG-31K aircraft.

The alarm signal was first announced in Kyiv, and then on the map of air alerts, the entire territory of Ukraine was marked in red.

The official map of air alerts looks like this: