The Russian Defence Ministry said a massive overnight aerial strike on Ukraine was a response to what it called "terrorist acts" by Kyiv.

This escalation underscores the intensifying cycle of retaliation between the two nations as Russia targets critical infrastructure and urban centers in response to Ukrainian strikes inside Russian territory.

The attack targeted multiple regions across Ukraine, including Kyiv, Kharkiv, Zaporizhzhia, and Dnipropetrovsk [2]. According to reports, the assault involved 656 drones [2] and 73 missiles [2].

The human toll of the overnight operation was significant. At least 17 people died [2] and more than 100 others were injured [2] during the strikes.

Russia framed the operation as a necessary countermeasure. A Russian Defence Ministry spokesperson said the strike was a response to Kyiv's "terrorist acts" [1]. The ministry said the targets were chosen as retaliation for attacks carried out by Kyiv against targets inside Russia [1].

Officials in Ukraine have not yet provided a detailed counter-assessment of the damage to infrastructure, but the scale of the drone swarm suggests a coordinated effort to overwhelm air defense systems. The use of hundreds of unmanned aerial vehicles alongside cruise and ballistic missiles represents a high-volume saturation tactic — a strategy designed to deplete interceptor stockpiles and strike multiple locations simultaneously.

Russia says its overnight Ukraine strike was a response to Kyiv's 'terrorist acts'

The scale of this operation, specifically the deployment of over 600 drones, indicates a shift toward saturation warfare. By combining high-volume low-cost drones with a smaller number of precision missiles, Russia aims to exhaust Ukrainian air defenses. This pattern of 'tit-for-tat' strikes suggests that neither side is currently seeking a diplomatic off-ramp, with both parties expanding the geographic scope of their targets to increase political and psychological pressure.