U.S. adviser Bolton travels to Japan, South Korea amid trade dispute

FILE PHOTO - U.S. National Security Adviser John Bolton attends a meeting between U.S. President Donald Trump and South Korean President Moon Jae-in at the Blue House in Seoul, South Korea, June 30, 2019. REUTERS/Kevin Lamarque

(Reuters) - U.S. national security adviser John Bolton departed on Saturday for a trip to Japan and South Korea as the two countries are in the middle of a trade dispute.

A White House National Security Council spokesman said on Twitter that Bolton planned to "continue conversations with critical allies and friends."