
Ukraine war latest: Ukrainian drones reportedly strike another Russian missile brigade linked to Sumy attack
Key developments on April 16: * Ukrainian drones reportedly strike another Russian missile brigade linked to Sumy attack * North Korea earns over $20 billion aiding Russia's war effort, report says * Kyiv doesn't rule out North Korean participation in Russia's assault on Sumy, Kharkiv oblasts * Russia arms 'kamikaze' drones with chemical weapons,