Volgograd Airport in Russia introduced temporary restrictions on aircraft reception and release between 8:07 PM and 8:37 PM UTC on September 27th, 2025, the Federal Air Transport Agency announced. This development occurred as military equipment was observed being transported by train in Tartu, Estonia, yesterday, September 26th, 2025. The Federal Air Transport Agency confirmed the restrictions at Volgograd Airport, though the reason for the closure was not immediately specified. In Estonia, residents of Tartu witnessed tanks being moved through the city via railway tracks, a sight documented by research doctor Margus Punab and shared on social media. The specific coordinates for the Tartu observation were 58.36991, 26.71246. These events follow earlier reports from September 27th, 2025, detailing Ukrainian forces conducting air strikes against Russian Third Army Corps positions in the Donbas region between 7:07 PM and 8:07 PM UTC. Monitoring groups INSIDER UA and AirGuard also warned of potential Russian missile strike preparations earlier in the day on September 27th, noting communications from Russian Air Force strategic aviation.