Russian troops have also blown up the Ukrainian oil and natural gas pipeline facilities.
Russia is now preparing for a new wave of attacks involving air strikes.
Cruise missile are already slaming into Ukrainian airport. The first reports of missiles targeting an airport came around 4:30 A.M. in Ukraine.
The Russian Armed Forces have also attacked the Hostomel airport, a key military airfield of Ukraine.
Russia has banned civil aviation from flying along all of Ukraine's borders while Ukraine has decided to close international airports on Thursday night provisionally pending how the situation develops.
Ukraine airports were closed last night for several hours. "Flights of civil aircraft to the airports are limited due to a potential danger to civil aviation," the Ukrainian authorities said.
Hundreds of explosions have been reported by the Media Outlet. The city is under heavy fire.
The attack is the largest in Europe since World War II.