Wang added that China's policy is to maintain stability and continuity with South Korea and he urged both sides to "improve national sentiment and manage sensitivities properly" to move bilateral relations forward steadily.

By David Brunnstrom, Idrees Ali and Ju-min Park WASHINGTON/SEOUL (Reuters) -When South Korean President Lee Jae Myung meets U.S. President Donald Trump next week for their first summit, he will be asked to pay more for the upkeep of American troops on the peninsula during talks set to be dominated by security issues and China.