Experts tell Andy Gregory and Tom Watling that the real question is how much Kyiv’s troops are able to inflict casualties on the Russians as the price for taking the territory back

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."

The reconsolidated 47th Mechanized Brigade, its people and vehicles no longer scattered across a wide front in western Russia, is directly in the Russians’ crosshairs in Kursk. On Tuesday, 30 Russian vehicles barreled toward the 47th Mechanized Brigade in five waves.