Japan is monitoring developments in South Korea with "particular and grave" concerns, the top government spokesman said Wednesday, following the detention of President Yoon Suk Yeol over his declaration of martial law in December.The importance of bilateral relations remains unchanged despite the latest development and Japan will continue to communicate closely with South Korea, Chief Cabinet Secretary Yoshimasa Hayashi said at a regular press conference."Japan views South Korea as an important neighbor who as a partner can jointly tackle global challenges," Hayashi said, adding, "The impor…READ FULL ARTICLE