Ukrainian President Volodymyr Zelensky warned airlines in a nightly video address that Russian airspace is 'effectively closing' as Ukraine escalates its drone strikes, saying the Russian sky is becoming 'completely dangerous.' ^[1] Vladimir Putin, President of Russia, called Zelensky's warning a declaration of state terrorism and said Russia would continue intensified attacks on Ukraine, speaking at a Shanghai Cooperation Organization summit in Kyrgyzstan. ^[2] Aviation risk advisory firm Osprey Flight Solutions said in an alert to clients that while most Ukrainian drone and missile strikes were likely to occur within 300km of the border, daily attacks deeper inside Russia were almost certain to continue this year, with a realistic possibility of increased frequency in the short term. ^[3] The Russian military has said it is preparing to carry out 'massive' strikes on Ukrainian power stations. ^[4] Putin said on 2026-09-02 that Russia is winning the war in Ukraine and portrayed the Ukrainian leadership as 'terrorists' with whom Moscow could not negotiate. ^[5] Russian President Vladimir Putin called Zelensky's warning 'state terrorism' on 2026-09-02 and said Moscow would find a way to respond if Ukrainian drones shut down Russian airspace. ^[6] Serbia, along with Belarus, is the only European country that has not imposed any sanctions on Russia since the war began in February 2022. ^[7] The United Nations aviation agency ruled in 2025 that Russia is responsible for shooting down Malaysia Airlines flight MH17 over eastern Ukraine in July 2014, killing all 298 people on board. ^[8]