The US energy department put South Korea on a watchlist because visitors to its laboratories mishandled sensitive information, Joseph Yun, the acting US ambassador, said on Tuesday.

South Korea's industry minister will visit Washington, D.C. this week to discuss with top U.S. officials the country's concern over being placed on a U.S. watchlist and to push for fair treatment on tariffs,

The U.S. government’s move to put South Korea — a nonnuclear ally — in the same company as countries like China or North Korea has unsettled politicians in Seoul