NEW : Another U.S. delegation will go to Asia , sources say . The conflict in the Koreas has intensified since November 23 , when North Korean forces launched an artillery barrage Yeonpyeong Island . NEW : South Korea sending an envoy to South Korea to discuss the Korean crisis . Top Japan , N. Korean and S. Korean diplomats condemn recent N. Korean actions . The Korean Central News Agency chairman to head to South Korea to demonstrate support .
NEW : Another U.S. delegation will go to Asia , sources say . NEW : South Korea sending an envoy to South Korea to discuss the Korean crisis . Top Japan , N. Korean and S. Korean diplomats condemn recent N. Korean actions . The Korean Central News Agency chairman to head to South Korea to demonstrate support .