A Russian aircraft flew 9 hours between Moscow & Switzerland in rare routing that added 6 hours to flight time
The trip would've taken about three hours if EU airspace were not closed to Russian planes - It flew over Turkey, though
Turkey escalating aggression against Greece: 90 overflights in one day – Gatestone Institute Analysis
Russia's invasion of Ukraine seems to offer a convenient precedent for Turkey to increase its military aggression against Greece
Greece bans flights of Russian aircraft over its national airspace
The decision came in line with the decision of all EU nations