According to South Korean media reports, the United States has rolled out partial restrictions on intelligence sharing with South Korea following public remarks by Unification Minister Chung Dong-young about an alleged North Korean nuclear facility.
In March 2026, while speaking before lawmakers, Chung Dong-young pointed out that North Korea is running uranium enrichment plants in Kusong – a site in the country’s northwest where, aside from the known complexes in Yongbyon and Kangson, no nuclear facilities had ever been officially confirmed to exist.
A senior South Korean military official stated that Washington had, as of the start of this month, clamped down partially on the exchange of satellite data regarding North Korean nuclear technology. That said, monitoring of missile activity kept going as usual, and troop readiness hasn’t taken a hit.
Minister Chung Dong-young has pushed back and defended his remarks, insisting they were based on openly available sources. On Monday, he told reporters he deeply regrets that his clarification of the country’s policy got mistaken for a leak. Chung pointed to a 2016 report by a U.S. think tank and articles in South Korean media, adding that he’d actually brought up Kusong the previous year during his confirmation hearing without any blowback. In his public statement, the minister expressed surprise that nine months later this issue had suddenly become a problem.
President Lee Jae-myung, whose administration leans toward a reconciliatory stance with North Korea, has thrown his weight behind the minister. In an official statement, Lee said: “It’s an obvious fact that Kusong’s existence had been widely reported in academic papers and the media well before Minister Chung’s remarks. Any claims or actions based on the assumption that Minister Chung spilled classified information provided by the United States are just plain wrong. I need to carefully look into how such an absurd situation came about.”
According to South Korean media reports, the restrictions are in fact being imposed amid growing strains within the alliance.