Ukraine launched the first invasion of Russia since World War II, rapidly seizing some 386 square miles centered on the city of Sudzha in Kursk.

Ukrainian officials have not confirmed a retreat from the town in Russia’s Kursk region, parts of which were captured by Kyiv ...

RFE/RL's Live Briefing gives you all of the latest developments on Russia's full-scale invasion of Ukraine, Western military aid to Kyiv, worldwide reaction, and the plight of civilians and refugees.