Multiple Ukrainian monitoring channels reported significant UAV activity and explosions across the Donetsk region between 7:37 PM and 8:06 PM UTC on October 4th, 2025. "Slavyansk Donetsk region" experienced strong explosions, with alarms activated on vehicles and reports of sprinkled glazing in the city center, according to "Донбас Оперативний". The monitoring channel "ЗАГРОЗА З НЕБА💥" confirmed "Slavyansk is very loud" with "3 blows" and stated "Threat from the sky". Further UAV activity was confirmed in the Kharkiv region, with "Андрій Смолій" reporting "more than 20 UAVs in Kharkiv region" during this period. "ЗАГРОЗА З НЕБА💥" also noted "The cabos in the direction of Kramatorsk," indicating potential threats. "Тривога INFO ⚠️ Новини" reported UAV launches from at least 10 points, including Guards, Kacha, Chaud, Primorsk-Akhtarsk, Donetsk, Millerevo, Kursk, Eagle, Navia, and Shatalovo, predicting a large number of shock UAVs throughout the night. These developments follow earlier reports from October 4th, 2025, which indicated widespread threats of missile and drone attacks across various Ukrainian regions. Previous intelligence had suggested the potential for a massive rocket strike, with Iskander-M missile systems observed deployed in Voronezh and Taganrog, and a possible missile strike planned for the night of October 4th to 5th.
