Kyiv's forces struck an advanced Russian air-defense system in the border Kursk region, according to Ukraine's military, shortly after the U.S. green-lit attacks over the border using long-range American weapons and as North Korean soldiers are expected to join front-line clashes in the area.

South Korea’s president has met a visiting Ukraine delegation and called for a joint response to the threat posed by North Korea’s recent dispatch of more than 10,000 soldiers to support Russia’s war