KYIV, Ukraine (AP) — Russia launched a rare drone and missile attack on western Ukraine overnight, officials said Thursday, striking targets including an American-owned electronics plant and injecting further uncertainty into the U.S.-led efforts to end the three-year-old war.

Russia launched 614 air attack munitions into Ukraine overnight into Thursday, the air force in Kyiv said, in a "massive combined air strike" on targets in the country.

Shortly before dawn on July 9, Russia had fired 728 drones and 13 missiles into Ukraine, making it the largest Russian aerial bombardment of the war so far.

What does it say about the vulnerability of a $50 million fighter when it gets destroyed by a weapon fired off a remote-controlled boat? For Russia’s 43rd Naval Attack Aviation Regiment in Crimea, it has meant losing over half its Su-30SM air force and a sobering reminder of how quickly advancing unmanned systems are changing