Ukrainian forces launched a large-scale drone attack against Russian territory on Sunday, September 20, 2026. Russian officials and international news agencies reported that over 1,000 drones were used in the operation, with hundreds specifically targeting the Moscow region.
The attack occurred on the final day of Russia's national elections. While Ukrainian officials stated the operation put a key oil refinery out of action, Russian authorities confirmed the strike caused damage to infrastructure and residential buildings. Moscow's mayor described the event as the largest drone attack to date on the city and its surrounding region.
Conflicting casualty counts were reported following the strikes. Channel 4 News reported three people were killed, while Al Jazeera stated at least two people died. One drone was filmed exploding as it struck a Moscow apartment building. Simultaneously, Russia continued its own offensive actions within Ukraine, where officials reported eight people were killed and dozens injured in Kyiv and other areas.
The reported disabling of a key oil refinery impacts infrastructure. While the specific financial cost and the duration of the refinery's downtime were not reported, such damage affects energy resources. In Ukraine, the ongoing Russian retaliatory strikes continue to affect the safety of civilians, with eight people killed and dozens of new injuries in the capital of Kyiv and other areas.
This event involves a significant volume of unmanned aerial vehicles (UAVs) used in a single strike. As the Russian elections concluded on September 20, the focus shifts to how the Russian government will adjust its domestic security posture. No specific dates for further military operations or diplomatic meetings were provided in the reports.