Ukrainian President Volodymyr Zelensky discussed Article 5-like security guarantees for Ukraine during the October 20, 2026 talks with U.S. envoy Steve Witkoff in Oslo

An ongoing armed conflict between Russia and Ukraine that was sparked with Russia's annexation of Crimea in 2014 and escalated into a full-scale invasion in February 2022, resulting in widespread casualties, displacement and significant geopolitical consequences for Europe and the world.