Ellie Cook is a Newsweek security and defense reporter based in London, U.K. Her work focuses largely on the Russia-Ukraine war, the U.S. military, weapons systems and emerging technology.

North Korea has sent at least 3,000 more soldiers to fight in Ukraine and replace the hundreds already killed, South Korea’s military reported Thursday. The reinforcements were shipped off to ...

This picture taken on October 17, 2024 and released from North Korea’s official Korean Central News Agency (KCNA) via KNS on October 18, 2024 shows North Korea’s leader Kim Jong Un (C) visiting the ...