MOSCOW -- The flight restrictions on four Moscow airports have been lifted, a representative of the Russian Federal Air Transport Agency said Thursday.

"At Sheremetyevo, Domodedovo, Vnukovo, and Zhukovsky airports, restrictions on the arrival and departure of aircraft have been lifted as of 16:39 Moscow time (1339 GMT)," the representative said on Telegram.

Earlier in the afternoon, all flights were suspended in these four airports and Kaluga Airport southwest of the Moscow region "to ensure the safety of civil aircraft flights", the representative said.

The representative did not mention whether restrictions on Kaluga Airport had been lifted.