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North Korean leader Kim Jong-un made a surprise visit to China on Saturday, Oct. 24, arriving in the border city of Dandong via a newly opened bridge linking the two nations, according to a South Korean government source cited by Yonhap. It was his first visit to China in more than a year. Kim met with Beijing's top political adviser and was seen off by the same official as he left Dandong, with a ruling party source saying he appeared to be planning to return home the same day, Yonhap reports. The trip comes amid a push to strengthen ties between the two countries.