Group 1 - Ukrainian armed forces reported an attack on a Russian "Hunter-class" patrol ship using drones, with ongoing assessments of damage and identification of the vessel [1] - An oil and gas drilling platform in the Caspian Sea, belonging to Russian Lukoil, was also attacked, which is responsible for oil and gas production and supplying materials to the Russian armed forces [1] - Russia's defense ministry announced multiple large-scale strikes and cluster attacks targeting Ukrainian military enterprises, energy facilities, and other critical infrastructure [3] Group 2 - Ukrainian President Zelensky acknowledged the increasingly difficult situation on the front lines, particularly in Kupiansk, which remains under Ukrainian control but is under pressure from Russian forces [5] - Zelensky mentioned issues with the supply of certain types of ammunition and air defense missiles, leading to delays in deliveries [5] - Russian President Putin claimed that Russian armed forces have gained strategic initiative and are advancing in multiple directions, asserting control over Kupiansk and surrounding Ukrainian troops [5]

Group 1 - The Russian Ministry of Defense reported a large-scale strike using precision weapons, including "Dagger" hypersonic missiles, targeting Ukrainian military enterprises, energy facilities, ports, and other infrastructure [1] - The Ukrainian Armed Forces General Staff indicated that there were 193 combat incidents in the frontline areas within a day, with Ukrainian forces striking multiple Russian troop assembly areas and command posts [1] - Ukrainian special forces reportedly used drones to strike a Russian oil tanker in the Mediterranean for the first time, causing significant damage to the vessel [1] Group 2 - The Russian military's operations included six cluster strikes aimed at various military and logistical targets, including unmanned boat assembly centers and ammunition depots [1] - Ukrainian forces successfully destroyed several pieces of Russian equipment, including tanks, armored vehicles, artillery, and drones during their counterattacks [1]