NEW : Another U.S. delegation will go to Asia , sources say . Kim Kwan-jin , South Korea 's new defense minister , said Friday his country will respond with airstrikes if North Korea attacks it again , in some of the strongest rhetoric since the Yeonpyeong incident . NEW : Japan sending an envoy to China to discuss the Korean crisis . Top U.S. , Japanese and S. Korean diplomats condemn recent N. Korean actions . TOP NEWS :
NEW : Another U.S. delegation will go to Asia , sources say . NEW : Japan sending an envoy to China to discuss the Korean crisis . Top U.S. , Japanese and S. Korean diplomats condemn recent N. Korean actions . TOP NEWS :