# Ukraine-Russia conflict escalation > Live situation record from CLSTR: https://clstr.news/situations/ukraine-russia-conflict-escalation > Updated: 2026-09-21T04:30:03.000Z. Sources: 80. Developments: 3. The conflict between Ukraine and Russia has seen a shift in strategic capabilities and targeting. Initially, Ukraine faced critical shortages of AIM-120, AIM-9, and PAC-3 missiles, which threatened its ability to defend against Russian drones and ballistic missiles. During this period, a Ukrainian drone attack disabled a Rosneft oil refinery in Ryazan, Russia. Ukraine has since escalated its long-range offensive by utilizing new domestically produced weaponry. On September 20, 2026, coinciding with the final day of Russia’s parliamentary elections, Ukraine launched a massive offensive involving over 1,000 drones and new missiles, including the Flamingo cruise missile and the Pelican ballistic missile. The Flamingo, developed by the startup Fire Point, reportedly weighs six tons and has a range of nearly 2,000 miles. A major component of this assault targeted the Gazpromneft-Moscow Oil Refinery in the Kapotnya district and a logistics complex, causing significant damage and fires. Moscow Mayor Sergei Sobyanin characterized the strike as the largest drone attack ever directed at the capital, noting that over 1,600 drones were intercepted since Saturday, with 450 specifically targeting Moscow. The Russian Ministry of Defense further claimed to have shot down over 1,900 drones, along with various missiles and aerial bombs. The offensive resulted in at least two to three deaths and approximately 20 injuries in the Moscow region, according to Governor Andrei Vorobyov. The strikes also forced the evacuation of roughly 400 residents from residential areas and caused significant flight disruptions at Sheremetyevo and Vnukovo airports, with nearly 100 flights canceled or delayed. Ukrainian President Volodymyr Zelenskyy stated the operation was designed to strike ‘billions of dollars in resources sustaining the Russian war effort.’ ## Claims - The deceased in the Moscow region attack were a 44-year-old woman and a 74-year-old man. (disputed by 9 sources) - Governor Andrei Vorobyov reported that three people died as a result of the attacks. (disputed by 6 sources) - The Flamingo cruise missile has a range of nearly 2,000 miles. (disputed by 3 sources) - The Flamingo cruise missile, produced by Fire Point, weighs approximately six tonnes and has a range of up to 3,000 kilometers. (disputed by 3 sources) - Ukraine targeted key Russian oil industry facilities and a logistics center to disrupt war funding. (corroborated by 18 sources) - Moscow Mayor Sergei Sobyanin reported that over 1,600 drones were intercepted near the capital since Saturday. (corroborated by 17 sources) - Moscow Mayor Sergei Sobyanin described the drone assault as the largest ever directed at the capital. (corroborated by 14 sources) - Ukrainian President Volodymyr Zelenskyy stated that long-range responses significantly impacted the Moscow region. (corroborated by 13 sources) - The assault utilized more than 1,000 drones and new Flamingo and Pelican missiles. (corroborated by 12 sources) - The Gazpromneft-Moscow Oil Refinery suffered significant damage and fires during the strike. (corroborated by 12 sources) ## Timeline ### 2026-09-21: Ukraine launches massive drone strikes on Moscow during Russian elections Ukraine conducted massive drone strikes against Russian energy and logistics infrastructure during Moscow's parliamentary elections, prompting threats of intensified Russian retaliation against Kyiv. 3 sources. https://clstr.news/cluster/ukraine-launches-massive-drone-strikes-on-moscow-during-russian-elections ### 2026-09-20: Ukraine strikes Moscow region with massive drone and missile offensive Ukraine conducted a massive drone and missile strike on the Moscow region, hitting an oil refinery and logistics sites using new Flamingo and Pelican weapons during Russian parliamentary elections. 67 sources. https://clstr.news/cluster/russia-reports-capturing-five-ukrainian-settlements-and-striking-logistics-hubs ### 2026-09-09: Ukraine faces missile shortages amid Russian refinery attack Ukraine faces critical air defense missile shortages while a Russian refinery is disabled by drones. Security incidents, including an ammunition seizure, occurred at the MSPO defense fair in Kielce, Poland. 10 sources. https://clstr.news/cluster/ukrainian-national-detained-with-ammunition-at-kielce-defense-fair --- Cite as: Ukraine-Russia conflict escalation. CLSTR, https://clstr.news/situations/ukraine-russia-conflict-escalation