整理：俄乌冲突最新24小时局势跟踪（7月5日）

Group 1 - The ongoing conflict between Russia and Ukraine has escalated, with significant military actions reported, including the use of drones and missiles [5][6] - Ukraine's President Zelensky emphasized the need for increased pressure on Russia to change its aggressive behavior, indicating that support from partners, especially the US, is crucial [4] - Reports indicate that Russia has launched a large-scale attack on Ukraine, with 539 drones and 11 missiles targeting Kyiv, resulting in injuries and damage to infrastructure [5][6] Group 2 - The US is reportedly considering enhancing Ukraine's air defense capabilities in response to the escalating attacks from Russia [3] - There are concerns regarding Russia's production of chemical weapons for use in Ukraine, with calls for stricter sanctions from the Netherlands [6] - Germany is planning to implement a six-month voluntary military service to bolster its reserve forces amid the ongoing conflict [6]