SEOUL – Leaders from South Korea, China and Japan reaffirmed their goal of a denuclearised Korean peninsula Monday, during a rare summit at which they also agreed to deepen trade ties.The summit brought together South Korean President Yoon Suk Yeol, Chinese Premier Li Qiang and Japanese Prime Minister Fumio Kishida in Seoul for the countries’ first trilateral talks in nearly five years, partly due to the pandemic but also to once-sour ties.While North Korea was not officially on the agenda, hours before the leaders met Pyongyang announced that it would soon put another spy satellite into…