乌克兰称俄罗斯单次袭击中使用无人机数量创新高

Core Viewpoint - The article highlights a significant escalation in military actions, with the Russian military launching a record number of aerial attacks on Ukraine, particularly using drones, leading to severe damage and public health concerns in Kyiv [1] Group 1: Military Actions - On July 4, the Russian military utilized nearly 550 aerial weapons against Ukraine, including over 330 attack drones, marking the highest number of drones used in a single assault [1] - The attacks resulted in multiple fire outbreaks within Kyiv, with eyewitnesses reporting over 20 fire points in the city [1] Group 2: Public Health and Infrastructure Impact - Due to high levels of air pollutants from the attacks, the Ukrainian Ministry of Health urged residents of Kyiv to close their windows [1] - The railway infrastructure in the city has suffered significant damage, as reported by representatives from the Ukrainian Railways [1]