Ukraine war latest: Over 3,000 North Korean troops killed, wounded in Kursk Oblast, Zelensky says
Key developments on Dec. 23: * Over 3,000 North Korean troops killed, wounded in Kursk Oblast, Zelensky says * Satellite imagery suggests North Korea to supply more arms to Russia, WSJ reports * 'Mysterious' fire engulfs Russian Shahed warehouse, Ukrainian intelligence claims * First Ukrainian Legion unit trained in Poland deployed to Ukraine,