This follows similar restrictions previously imposed on airports in Moscow and Kaluga due to the perceived threat of drone ...
All four of Moscow's airports including another about 100 miles southwest of the Russian capital were temporarily shut down ...
"To ensure the safety of civil aircraft flights, temporary restrictions have been introduced on the operation of Sheremetyevo ...
Novosibirsk Oblast, Russia, with additional headquarters in Moscow. As of 2008, it was the largest domestic airline in Russia ...