The latest attack prompted restrictions at all four of Moscow's international airports, according to Telegram posts by Artem Korenyako, a spokesperson for Russia's federal aviation agency Rosaviatsiya. Korenyako said at least 134 aircraft were diverted to alternate airports amid the disruption.

Russian air defense units intercepted 13 drones flying towards Moscow in under two hours, Mayor Sergey Sobyanin reported at around 1:46 a.m. local time on July 19.

Russia has launched overnight attacks on four Ukrainian cities, injuring at least 15 people and targeting energy infrastructure.