On August 21, Ukraine faced its largest air attack this month as Russia launched over 570 drones and dozens of missiles at western cities like Lviv and Mukachevo. A U.S.-owned electronics factory was hit, injuring at least 18 people. Meanwhile, Ukraine continues talks with NATO for future security guarantees. Get the full picture—from the battlefield to diplomacy—and end with a story of hope from Ukrainian students who just won gold at the Math Olympiad.