The US Embassy has not yet responded to requests for comment.
US Director of National Intelligence Avril Haines visited the demilitarized zone (DMZ) along the border with North Korea as part of a visit to South Korea, the South Korean news agency Yonhap reports.
Yonhap News agency published photos of Haines leaving a hotel in Seoul and the motorcade that allegedly took her and other members of the American delegation to the demilitarized zone.
Haynes was expected to take a brief tour of the village of Panmunjom in the Joint Security Zone, where talks with North Korea have been held in the past, Yonhap reported. The US Embassy has not yet responded to requests for comment.