An earthquake in North Korea on Sunday appeared related to a nuclear test, South Korea’s military said. South Korea’s Joint Chiefs of Staff said it detected a magnitude 5.6 earthquake around 12:29 p.m. local time near the Punggye-ri nuclear test site in northeast North Korea. Japanese Prime Minister Shinzo Abe said he asked officials to cooperate with the U.S., South Korea, China and Russia. “If North Korea did conduct a nuclear test, it is absolutely unacceptable and we must protest it strongly,” he told reporters in Tokyo, in remarks broadcast on NHK. A nuclear test would be a provocation that follows successive ... (full story)