text:  The U.N. Security Council has presented with evidence that Russia has deployed a North Korean missile in Ukraine this year against the body's sanctions. In January 2024, Jonah Leff, executive director of conflict armament research, offered a detailed analysis of remnants of a ballistic missile that struck Kharkiv on January 2nd. Kharkiv documented the missile's rocket motor, its tail section. Showing the council photos of the remnants, he said they had unique features.