Neighbouring Poland closed its airspace near two southeastern cities and its air force scrambled jets in response until the danger had passed. Ukraine’s military said that Russia launched 595 drones and 48 missiles overnight and its air defences shot down 568 drones and 43 missiles. Article continues after advertisementPresident Volodymyr Zelenskiy said the attack, which lasted more than 12 hours, damaged a cardiology clinic, factories and residential buildings. Russia’s defence ministry said on Sunday it had carried out a “massive” attack on Ukraine using long-range air and sea-based weapons and drones to target military infrastructure, including airfields. Moscow has denied targeting civilians in its war against Ukraine, although thousands have been killed and residential areas extensively damaged by its attacks.