Pyongyang says it will stand by Moscow in its war against Ukraine. The United States says thousands of North Korean soldiers are now on Russian soil, preparing to enter the war against Ukraine. Most are in Russia’s Kursk region – where Ukraine launched a counter-invasion almost three months ago. Fighting there has been intense, and some analysts say the addition of North Korean troops could change the dynamics...

Ukraine’s President Volodymyr Zelenskyy has urged its allies to stop “watching” and take steps before North Korean troops deployed in Russia reach the battlefield, and the country’s army chief warned that his troops are facing “one of the most powerful offensives” by Moscow since the all-out war started more than two years ago. Zelenskyy raised the prospect of a preemptive Ukrainian strike on camps where the North Korean...