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North Korean leader Kim Jong-un made a surprise visit to China on Saturday, arriving in the border city of Dandong via a newly opened bridge linking the two countries, according to Yonhap and Korea Times reports. A South Korean government source told Yonhap that Kim is likely to return home the same day, with a ruling party source saying he appears to be planning to return Saturday after the visit. Kim met Beijing's top political adviser and inaugurated the new cross-border bridge, expressing hope to expand cooperation with China, Korea Times reports. Korean media coverage focuses on the diplomatic significance of the trip, the first in over a year, and the timing of his return, with Yonhap noting he left Dandong seen off by China's top political adviser.