俄罗斯发动大规模袭击

Group 1 - The article reports that Ukraine's energy infrastructure was targeted by a large-scale attack from Russia, leading to power outages in multiple regions [3] - The attack primarily focused on energy facilities in Kyiv city and Kyiv region, with additional damage reported in other areas due to ongoing shelling [3] - As a result of the attacks, Ukraine's national electricity company had to temporarily adjust the planned electricity rationing measures for the day, affecting both duration and coverage [3]