A Russian drone struck the National Academy of Sciences in central Kyiv on Monday, killing at least one person and wounding three others — including Volodymyr Horbulin, the academy's first vice-president and former senior security official. Flames consumed the historic 19th-century building as staff escaped through first- and second-floor windows. Academy president Anatoliy Zagorodny said the blast hit while many employees were inside. "We are not connected with the military. This is an attack on science. It is terrorism," he said, fearing colleagues remained trapped. A second drone hit a nearby private medical centre, killing at least one more person. The double strike sits within a broader escalation: over the past week, Russian missiles and increasingly sophisticated jet-powered drones have struck apartment blocks, offices, warehouses, and datacentres across Kyiv, killing and wounding civilians almost daily. The capital now has what the Guardian describes as "an increasingly frontline feel" — the most sustained bombardment since the early months of the full-scale invasion in 2022. The tactical shift is deliberate. Moscow has moved from nighttime Shahed drone waves to daytime attacks using faster jet-powered drones that are harder to intercept. The timing exploits a behavioral reality: Ukrainians work through drone alerts rather than spend hours in shelters, meaning daytime strikes hit occupied buildings. The academy, the medical centre, and the surrounding government quarter were all functioning when the drones arrived. The strategic logic is attritional. The campaign targets civilian resilience and economic capacity simultaneously — destroy infrastructure, force prolonged air raid alerts, drain productivity, and erode the psychological capacity to continue. The academy building stands near the German embassy, the National Opera, St Volodymyr's Cathedral, and government offices, making the strike both materially and symbolically loaded. While formally civilian, the academy has longstanding ties to Ukraine's defence sector, and Horbulin's injury underscores this dual character. Russia is also expanding its geographic targeting. A jet-powered drone struck western Ukraine near the Polish border crossing, triggering a shelter alert in Poland's Lublin region. Russian forces have increasingly hit border crossings with Poland and Moldova, prompting Kyiv to consider relocating joint customs checkpoints to neighbouring countries' territory — a practical concession to the reality that border infrastructure is now a target. The Kremlin framed the escalation as retaliatory. Spokesperson Dmitry Peskov told reporters: "Ukraine will have to pay a price for the actions that have taken place in recent months," referencing Ukrainian strikes deep inside Russian territory. President Zelenskyy countered by calling on the West to make pressure on Russia "total," warning that "terrorists will go further if they are not stopped here, in Ukraine." US-brokered efforts to end the war show little sign of progress, and Moscow has signalled that attacks could intensify further. Ukraine is racing to develop interceptors capable of defeating the new jet-powered drones, but the gap between offensive capability and defensive capacity is widening — and every day that gap persists, the cost is measured in occupied buildings struck in broad daylight.