In this undated photo provided on Monday, Nov. 25, 2019, by the North Korean government, North Korean leader Kim Jong Un, center, inspects a military unit on Changrin Islet in North Korea. Independent journalists were not given access to cover the event depicted in this image distributed by the North Korean government. The content of this image is as provided and cannot be independently verified. Korean language watermark on image as provided by source reads: “KCNA”, the abbreviation for Korean Central News Agency. (Korean Central News Agency/Korea News Service via AP) SEOUL — North Korean troops performed artillery drills near the disputed sea boundary with South Korea at the order of leader Kim Jong Un, state media reported Monday, drawing an immediate rebuke from South Korea amid stalled nuclear talks. The North’s Korean Central News Agency said that the firing happened when Kim inspected a military unit on Changrin Islet off the west coast. It was Kim’s first known trip to a front-line military unit since he entered nuclear talks with the United States last year. The nuclear negotiations are largely at standstill now as North Korea steps up pressure on Washington to lift international sanctions and abandon hostile policies…