俄乌突发！大规模突袭

Group 1 - The article discusses the recent escalation of military actions between Russia and Ukraine, highlighting Russia's large-scale strikes on multiple targets within Ukraine as a response to an alleged attack on the Russian presidential residence [2][4]. - Russia's military utilized advanced weaponry, including the "Zircon" hypersonic missile, which is capable of carrying nuclear warheads and can strike at speeds of 10 Mach, making it reportedly difficult to intercept [4][5]. - Ukraine's military reported that on January 9, Russia launched 36 missiles and 242 drones targeting critical infrastructure, resulting in casualties and significant damage to various facilities in Kyiv [7][11]. Group 2 - The Ukrainian Air Force confirmed that the attacks led to the death of 4 individuals and injuries to 25, with substantial disruptions to water, electricity, and heating services across the city [7][9]. - Kyiv's mayor reported that approximately 6,000 apartment buildings were affected, leading to a suspension of heating services, and urged residents to seek shelter in suburban areas due to worsening weather conditions [9][10]. - The article notes that Russia claimed to have controlled five settlements in the past week and conducted multiple strikes on Ukrainian military and energy facilities [11].