Key Takeaways

Gasoline shortages continue in Russia and occupied Ukraine due to repeated Ukrainian strikes on Russian oil refineries.
Ukraine’s Western partners continue to provide military aid to Ukraine, including through the purchase of US weapons.
Russian Ministry of Foreign Affairs (MFA) Spokesperson Maria Zakharova absurdly blamed Ukraine on September 26 for the September 9 to 10 Russian drone incursion in Poland and the September 13 Russian drone incursion in Romania.
European officials continue to report unidentified drones operating within NATO airspace.
Ukrainian forces recently advanced in northern Sumy and western Zaporizhia oblasts. Russian forces recently advanced in the Dobropillya tactical area and near Siversk, Pokrovsk, and Novopavlivka.

Institute for the Study of War

https://understandingwar.org/research/russia-ukraine/russian-offensive-campaign-assessment-september-27-2025/