Core Viewpoint - A drone attack on an oil storage facility in Sochi, Russia, resulted in a fire, which has since been brought under control by over 120 firefighters [1] Incident Details - The fire was caused by debris from the drone striking a storage tank with a capacity of 2,000 cubic meters [1] - There were no reported injuries from the incident [1] Aviation Impact - To ensure the safety of civil aviation, the Russian aviation authority temporarily imposed air traffic control measures at Sochi Airport [1]

Core Viewpoint - The article highlights the recent escalation in military conflict between Russia and Ukraine, focusing on the significant drone and missile attacks launched by Russia and the defensive measures taken by Ukraine. Group 1: Military Actions - On July 21, the Russian Ministry of Defense reported that over 100 Ukrainian drones were shot down in various regions, including Moscow and St. Petersburg [1] - From the evening of July 20 to July 21, Russian forces launched a large-scale attack involving over 400 drones and 24 missiles against Ukraine [1] - Ukrainian air defense intercepted 200 drones and most missiles, with 203 drones failing to hit their targets due to electronic warfare measures [2] Group 2: Impact on Civil Aviation - Moscow and St. Petersburg airports implemented air traffic control measures, resulting in 118 flight cancellations and 203 delays due to the military actions [1] - In the past 24 hours, 59 flights were diverted to backup airports around Moscow, with all airports in Russia, except Kaluga, returning to normal operations by the evening [1]

Core Viewpoint - Israel has temporarily banned aircraft takeoffs and landings in its airspace, indicating a significant disruption in aviation operations in the region [1] Group 1 - The ban on aircraft operations may impact airlines and travel companies operating in or around Israel, potentially leading to financial losses [1] - The restriction could affect cargo transport and logistics companies, disrupting supply chains that rely on air freight [1] - The aviation industry may see increased operational costs and delays due to the airspace restrictions [1]

Group 1 - The FAA has reduced the flight area for helicopters near Ronald Reagan Washington National Airport [1]