According to Censor.NET, locals write about this in social networks. "After a series of explosions the airport was left without power and and there was a large fire that can be seen for kilometers around.... The shelling lasted almost until morning," Pan Syvyi writes.
On September 12, the militants began a large-scale assault on the Donetsk airport. The Ukrainian military repelled the attack, but attacks by the militants continued. On the evening of September 14, active fighting resumed.
In the area of the airport, accumulation of units of the regular army of the Russian Federation were repeatedly spotted. Here the invaders reated a layered air defense system. Also several unmarked aircrafts of military aviation of the Russian Air Force were transfered to airfields on the border in Russia.