Russian guided bombs struck an apartment block in Ukraine’s second city Kharkiv on Saturday, killing at least one person and wounding nine, including a six-year-old child, according to local authorities. The mayor, Ihor Terekhov, said the low-rise building in the Kholodnohirskiy district was hit in the early hours, with rescue workers later retrieving a body from the rubble. Some Ukrainian media subsequently reported a higher death toll of five, including a child, though this could not be independently verified.

Elsewhere, Russian strikes on the outskirts of Sumy killed a civilian and damaged at least 20 houses, while guided aerial bombs killed at least four in Zaporizhzhia, regional officials said. Moscow did not immediately acknowledge or comment on the Kharkiv strike, but Ukraine’s air force said it shot down 92 of 99 Russian drones launched overnight. The Russian defence ministry, meanwhile, claimed its forces intercepted 177 Ukrainian drones during the same period. This pattern of high-volume drone warfare reflects both sides’ increasing reliance on unmanned systems to strike deep beyond frontlines.

The attack on Kharkiv came as Ukraine continued its campaign against Russian oil infrastructure. On Thursday, Ukrainian drones struck a major Moscow oil refinery for the second time in a week, causing large plumes of smoke and disrupting flights. According to Ukrainian military spokespeople, the targeting of refineries is intended to reduce Moscow’s revenue for the war and to bring the conflict’s consequences home to the Russian population. Kyiv has reported fuel shortages in some Russian regions. In Western Siberia, Russian air defences repelled a drone attack on a Tyumen oil refinery on Saturday, with the governor saying there was no damage.

Viewed from Western capitals, the intensification of reciprocal strikes underlines the diplomatic standstill in the war. US-led mediation efforts remain frozen, and neither side has signalled readiness to de-escalate. Analysts in London note that the steady attrition in Kharkiv, Sumy and Zaporizhzhia indicates Moscow’s continued ability to inflict damage on Ukrainian urban centres, even as its own rear infrastructure comes under regular attack. In Washington, officials view Moscow’s refusal to acknowledge civilian hits as a tactic to avoid accountability, while Kyiv points to the strikes as evidence of Russia’s disregard for civilian life. Meanwhile, the sustained Ukrainian drone campaign has prompted Russian authorities to evacuate personnel from vulnerable facilities, a disruptive effect that, according to Western military assessments, is beginning to impact Russia’s domestic stability. With no formal cease-fire proposals on the table and the summer campaigning season under way, both forces remain poised for continuing cycles of retaliation.