The U.S. says there will be a "firm response" as Ukrainian forces holding ground in Russia's Kursk region now face North Korean troops "engaging in combat."
U.S. Secretary of State Antony Blinken says the Biden administration is determined in its final months to help Ukraine keep fighting its war with Russia next year.
Russia attacked the Ukrainian capital Kyiv with a sophisticated combination of missiles and drones for the first time in 73 days on Wednesday, authorities reported, as the Pentagon said most of the North Korean troops sent to help Moscow's war effort ...
Experts warn that Russia may be trying to deplete Ukraine's air defences in preparation for an attack on its energy system over the winter. Ukraine has also increased its use of long-range drones in recent weeks, with videos showing damage to Moscow ...