Early on the 18th, Moscow was struck by a drone attack that damaged a shopping mall and an oil refinery. Moscow mayor Sobyanin said on social media that Russian air defenses have shot down more than 50 drones headed for the city. Debris damaged the mall; no casualties have been reported. Several drones struck a refinery, and authorities are taking measures to deal with the impact. Russian media said major airports including Sheremetyevo have restricted flight operations.