October, North Korea moved at least 3,000 soldiers into eastern Russia. We assessed that these soldiers traveled by ship from the Wonsan area in North Korea to Vladivostok, Russia,” he said. “These soldiers then traveled onward to multiple Russian military training sites in eastern Russia where they are currently undergoing training.

Reports that the North is sending troops to Russia stoked security jitters in South Korea. It has shipped humanitarian and financial support to Ukraine, but it has so far avoided directly supplying arms in line with its policy of not supplying weapons to countries actively engaged in conflicts.

WASHINGTON—The U.S. said thousands of North Korean troops are being trained in Russia and might be used to reinforce Moscow’s military offensive in Ukraine.At least 3,000 North Korean soldiers arrived by ship earlier this month at the Russian port of Vladivostok and moved to several training sites in eastern Russia,