South Korean defense chief Kim Kwan-jin asked for cooperation of defense leaders in the Asia-Pacific region to fully implement U.N. restrictions on trade with North Korea to deter the communist nation from threatening regional security with its nuclear and missile program. Kim made the remark in an address to the ASEAN Defense Ministers\' Meeting-Plus (ADMM-Plus) held in Brunei from Wednesday to Thursday, with defense leaders from 18 nations in the Asia-Pacific attending.