Moscow, Feb 3 (Reporter) Temporary restrictions were introduced on the arrival and departure of aircraft at the airports of Astrakhan, Kazan, Ulyanovsk, Nizhnekamsk and Saratov in order to ensure the safety of flights, Russian Federal Air Transport Agency (Rosaviatsiya) spokesman Artem Korenyako said. "To ensure the safety of civil aircraft flights, temporary restrictions on the arrival and departure of aircraft have been introduced early this morning at the airports of: Astrakhan (Narimanovo; ICAO code: URWA), Kazan (UWKD), Nizhnekamsk (Begishevo; UWKE), Saratov (Gagarin; UWSG), Ulyanovsk (Baratayevka; UWLL)," he said on Telegram. The airports are temporarily not accepting or sending flights. "Aircraft crews, air traffic controllers and airport services are taking all necessary measures to ensure flight safety — this is the main priority," Korenyako added...////...