Emergency services are working at the crash site, Moscow Mayor Sergei Sobyanin said MOSCOW, September 12. /TASS/. Russian air defense systems shot down a total of seven drones targeting Moscow on Friday night in three separate waves of attacks, according to statements from the capital's mayor, Sergey Sobyanin. The first incident occurred when two drones were destroyed by air defense forces. Sobyanin announced on his Telegram channel that "two enemy UAVs heading toward Moscow have been destroyed