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."

On the night of November 13, Russia launched a large-scale air attack on Ukraine, using various types of missiles, guided bombs, and attack drones. According to the Ukrainian Air Force, 96 Russian air targets were recorded.

Two S-300 anti-aircraft guided missiles launched from Russia’s Kursk Oblast, targeting Sumy Oblast ・Two Kh-101 cruise missiles launched from Tu-95MS strategic bombers over the Caspian Sea ・Two Iskander-M/KN-23 ballistic missiles launched from Russia’s Voronezh Oblast ・90 Shahed-type and unidentified attack drones launched from the areas of Kursk,