突发！俄罗斯遭袭

Group 1 - The article reports that the Belgorod reservoir dam in Russia has been damaged due to an attack by Ukrainian armed forces, with the local governor warning of potential flooding risks affecting around 1,000 residents [1][2] - Ukrainian officials have reported that a significant 500 kV substation in Volgograd, Russia, has been attacked and damaged, which is crucial for the energy supply to military and transportation hubs [4] - A missile attack by Russian forces on Kyiv resulted in casualties and damage to multiple buildings, with reports indicating 1 death and 10 injuries [6][7][8] Group 2 - The Russian Defense Ministry claims to have gained control over 10 settlements in Ukraine and conducted extensive strikes on Ukrainian defense infrastructure, including the downing of various military assets [9] - A Russian presidential representative has arrived in the U.S. to continue dialogue, emphasizing the importance of mutual respect for national interests in discussions with the U.S. [10] - President Putin's rapid response to U.S. policy shifts indicates a dual approach of willingness for dialogue while also issuing strong warnings against crossing red lines [12][13]