Ukrainian President Volodymyr Zelensky implored his Western allies to take action over Russia’s use of North Korean troops in the war.

China has remained mum about the deployment of thousands of North Korean troops to Russia in recent weeks. The U.S. and its allies view the development, which followed the signing in June of the first Russia-North Korea military agreement since the Cold War,

Officials confirm Ukraine has fired on North Korean troops for the first time since thousands of them joined Russia in its war.