Chron.com(LEAD) intel-sharing deal intended to counter threats from China, N.K.Yonhap NewsTOKYO, Dec. 7 (Yonhap) -- A recent intelligence-sharing deal that Japan reached with South Korea is a "necessary" step to guarantee its national security in the face of threats from China and North Korea, a former Japanese envoy to Seoul has said.South Korea - 新华搜索 - 新华网新华搜索 - 新华网North Korea pledges 'tough' response to UN sanctionsAljazeera.comJapan announces new sanctions on North Korea days after U.N.