Dec. 26 (UPI) — All four of Moscow’s airports — and including another one about 100 miles southwest of the Russian capital — were temporarily shut down for undisclosed security concerns, authorities said.
Civil aircraft flights at Sheremetyevo, Domodedovo, Vnukovo and Zhukovsky airports were all restricted, according to the country’s aviation authority Rosaviatsia. Kaluga Airport, outside of Moscow, was also shuttered.