NEW : North Korea reportedly demands the withdrawal of South Korean workers from jointly owned complex . Analyst says both sides need to withdraw the jets . ` ` The moment of war is approaching fast , '' North Korean says . U.S. moves missile defense system to Guam .
NEW : North Korea reportedly demands the withdrawal of South Korean workers from jointly run complex . Analyst says both sides need to cool the rhetoric . `` The moment of explosion is approaching fast , '' North Korea says . U.S. moves missile defense system to Guam .