A rocket fell on a residential building in the village of Kopillia, Volyn region, on September 11th, 2025, destroying the structure but causing no injuries, according to media reports. This incident occurred within the current reporting window. In other developments, explosions were reported in Sumy region, Ukraine, with media outlets issuing alerts for residents to be cautious. Separately, Russian forces have reportedly captured the settlement of Novomykolaivka in southern Dnepropetrovsk. The Defense Forces in Estonia have proposed establishing a temporary aircraft control zone in eastern Estonia to improve responses to air border violations. These events unfold as Poland continues to bolster its defenses in response to Zapad-2025 drills and increased Russian drone activity. Poland has deployed 40,000 troops along its borders with Belarus and Russia and is reinforcing its airspace protection, with allied nations like the Netherlands, Czechia, France, and the United Kingdom providing air defense systems and troops. France recently deployed three Rafale fighter jets to Poland, a move confirmed by President Emmanuel Macron, in response to escalating Russian drone incursions into Polish airspace. NATO has doubled its fighter presence over Poland.