Japan, the United States and South Korea have tightened their sanctions against North Korea to curb Pyongyang's weapons programs following its latest intercontinental ballistic missile test in November, targeting the country's officials and organizations.Tokyo said Friday that it has decided to freeze the assets of two trading companies and one hacking group as well as one individual for their involvement in North Korea's nuclear weapon and missile development programs.The individual, Kim Su Il, represents the Vietnamese branch of North Korea's Munitions Industry Department, which is a desi…READ FULL ARTICLE