Ukraine says it carries out strikes on a Moscow-area oil refinery, framing the action as retaliation for prior Russian attacks. Multiple reports describe an incident involving the Moscow refinery alongside a wider disruption of air activity in Russia, including flight disturbances attributed to a drone barrage. Ukraine’s position, as attributed by outlets, is that the attack is a “justified response” to earlier strikes by Russia. Russian authorities have not been detailed in the provided excerpts, and the specific operational details—such as timing, extent of damage, and confirmed targets—are not fully consistent across the available text. The reports also indicate that the refinery attack occurs in the context of broader aerial incidents over Russia, where drones and resulting countermeasures affect transportation. Overall, the coverage centers on Ukraine’s stated rationale for the strike and the reported disruption to flights, while leaving room for further verification regarding damage assessments and exact flight impacts. The situation remains part of the ongoing exchange of cross-border attacks between Russia and Ukraine.