Ukraine launched a major drone bombardment against Russian regions, Crimea, and surrounding areas on the night of June 25-26, 2026, with drones attacking targets including a chemical plant in Russia's Tula region. President Zelenskyy announced a 40-day operation aimed at forcing Russia to end the war, signaling an escalation of Ukrainian attacks. Russian authorities in Crimea declared an emergency situation, and both sides continued striking each other's territory as the war grinds on into its fifth year.