And intelligence from the West, Kyiv and Seoul, has long accused North Korea of supplying weapons to Russia. "The city was struck with North Korean ballistic missiles, Zircons, and guided aerial bombs. In the capital Kyiv, Zelensky said an infectious diseases hospital was hit, while strikes on the frontlines cities of Kherson and Kharkiv caused power outages. On Monday, he said that Russia had received "additional ballistic missiles from North Korea". In recent weeks, Russia has considerably stepped-up strikes with ballistic missiles -- a fast and powerful weapon that is hard to intercept.