North Korean leader Kim Jong Un supervised drills by the nation's air force and underscored the need for a step-up in war preparation, state media said on Saturday.
North Korea earlier this week conducted the first test-firing of the weapons system of the new "Choe Hyon-class" warship it recently unveiled, state media KCNA reported on Wednesday.
North Korean forces suffer mass casualties on the front lines of Russia's war against Ukraine, with 1,000 troops killed or wounded in Kursk region, said White House spokesperson John Kirby.
North Korea expands key weapons manufacturing complex, assembling short-range missiles used by Russia in Ukraine, researchers at a US based think tank concluded, based on satellite images.
