North Korea fired at least one “unidentified projectile” over the Sea of Japan on Thursday, Seoul’s military said, with Tokyo reporting it as a possible launch of a ballistic missile.The latest launch came a day after Pyongyang accused Japan of “transformation into a war state” as Tokyo beefs up its military stance in the Pacific.“North Korea fires unidentified projectile towards East Sea,” South Korea’s Joint Chiefs of Staff said in a message to news organisations, referring to the body of...