Leaked Pentagon documents purport to show South Korea's government in a bind over U.S. requests to arm Ukraine. The leaks came ahead of President Yoon's state visit to Washington on April 26.

Pentagon intelligence documents, which include intelligence on Russia's invasion of Ukraine and on allies, including South Korea, were shared across multiple social media platforms last week.

South Korea is aware of news reports about a leak of several classified U.S. military documents and it plans to discuss "issues raised" as a result of the leak with the United States, a South ...

South Korea said on Tuesday that information contained in the leaked classified Pentagon documents that appeared to be based on sensitive conversations between top South Korean security officials ...

SEOUL — Opposition lawmakers in South Korea criticized the leaked Pentagon documents as a major security breach and possible evidence of U.S. spying as the government of President Yoon Suk Yeol ...

South Korean officials on Tuesday said a “significant number” of leaked documents from the Pentagon were likely altered, casting doubt on records that indicated the U.S. was spying on Seoul.

The documents reveal details of U.S. spying on Russia’s war effort in Ukraine as well as intelligence gathering on America’s allies, including South Korea and Israel.

On South Korea, the documents appear to show internal debates about the sale of South Korean artillery shells to the U.S. It appears as if those conversations were intercepted by U.S. intelligence ...

SEOUL—A South Korean official said the government was investigating the circumstances around a leak of highly classified U.S. documents that appeared to show intelligence based on intercepted ...

In documents sent back to South Korea and Japan outlining the consensus that had been reached, there were three instances in which both countries used the two names simultaneously.