"Kim Jong Un and Vladimir Putin Strengthen Ties with Fighter Jet Plant Visit and Invitation"

North Korean leader Kim Jong Un visited an aircraft plant in Russia and invited Russian President Vladimir Putin to visit Pyongyang. The visit comes after the two leaders discussed potential military cooperation and closer relations between their countries. Putin accepted the invitation and stated that Russia is considering and discussing military cooperation with North Korea. The visit also raised concerns about potential arms deals between Russia and North Korea, particularly in relation to the conflict in Ukraine. The United States, South Korea, and Japan issued a joint warning regarding potential violations of international sanctions by North Korea and Russia.