BRUSSELS -- NATO and the European Union are ramping up efforts to persuade China to help get North Korea to stop sending troops and other support to Russia to back its war on Ukraine.

An American aircraft carrier is leading an exercise with two allies in waters near the Korean Peninsula as Russia strengthens its military cooperation with North Korea. The United States "flattop," USS George Washington,

SEOUL, South Korea -- North Korea ratified a major defense treaty with Russia stipulating mutual military aid, the North’s state media reported Tuesday, as the U.S., South Korea and Ukraine say North Korea has sent thousands of troops to Russia to support its war against Ukraine.