"Through various sources of information and intelligence, we assess that North Korean troops who have recently engaged in combat with Ukrainian forces have suffered around 1,100 casualties," the JCS said in a statement.

North Korean soldiers fighting in Russia are using fake identification documents to hide the fact Moscow is using foreign forces in it’s war against Ukraine, Kyiv has claimed.Ukrainian special forces said in a statement that they had recovered documents from three North Korean soldiers killed in the Russian border region of Kursk,