Group 1 - The Russian Ministry of Defense reported a large-scale attack on Ukrainian military and energy facilities using precision weapons, including hypersonic missiles and drones, as a response to Ukrainian strikes on Russian civilian infrastructure [1] - Ukraine's energy infrastructure has been severely impacted, with multiple regions, including Kyiv and Dnipro, implementing emergency power outages due to the attacks [1][2] - The Ukrainian National Power Company announced that most regions will implement time-based electricity supply measures, and all power generation facilities are currently incapacitated [2] Group 2 - This marks the ninth large-scale attack on Ukraine's energy infrastructure by Russian forces since October, targeting facilities responsible for gas and heating supply [2] - The Russian military continues to engage in offensive operations in various regions, including the encircled Ukrainian forces in Pokrovsk and Kupiansk, with multiple attacks reported [2]