28 September 2025

September 2025 in brief

A Russian air strike on pensioners queuing for payments in the village of Yarova in Donetsk region on 9 September killed at least 25 people, the regional governor said, and prosecutors said artillery fire on Kostiantynivka on 3 September killed eight civilians. ^[1][2] Ukraine's air force said Russia launched 810 drones and 13 missiles overnight into 7 September, the largest attack of the full-scale war, which set the Cabinet of Ministers building in Kyiv on fire; HRMMU said at least five civilians were killed. ^[1] The Zaporizhzhia nuclear plant lost all off-site power on 23 September, beginning what the IAEA called by far the longest such event of the war. ^[1] Ukraine's General Staff said its forces struck the Kirishi refinery in Leningrad region on 14 September, part of an intensified campaign against Russian refineries. ^[1] Poland said 19 Russian drones entered its airspace on 10 September and that some were shot down, the first time NATO allies used force against such drones, while Russia's defence ministry said it had no intention of targeting anything in Poland. ^[1] Estonia said three Russian MiG-31 jets entered its airspace for about 12 minutes on 19 September, which Russia denied, and drone sightings closed Copenhagen and Oslo airports on 22 September, with Denmark's prime minister saying she could not rule out Russian involvement. ^[1][2] At a Paris summit on 4 September, 26 countries pledged to support a reassurance force for Ukraine after a ceasefire, and Donald Trump wrote after meeting Zelensky at the UN General Assembly that Ukraine with EU support could win all its territory back. ^[1]

Written from the records it cites; every figure appears in a cited record.