Russia launched its largest aerial attack on Ukraine, firing 537 weapons, including drones and missiles. Ukraine's air force reported significant losses, with 249 aerial threats shot down. The attack resulted in casualties, including the death of pilot Maksym Ustymenko. President Zelenskyy expressed condolences and ordered an investigation. Meanwhile, Poland and allies scrambled aircraft for defense. Recent drone strikes also targeted military assets in Crimea, amidst stalled peace talks.