SEOUL—South Korea’s call to declare a formal end to the Korean War is premature as there is no guarantee it would lead to the withdrawal of the “U.S. hostile policy” toward Pyongyang, North Korea state media KCNA reported on Friday, citing Vice Foreign Minister Ri Thae Song. South Korea President Moon Jae-in on Tuesday repeated a call for a formal end to the Korean War in an address to the U.N. General Assembly and proposed that the two Koreas with the United States, or with the United States and China, make such a declaration. The two Koreas are still technically at war after their 1950-1953 conflict ended in a ceasefire rather than a peace treaty. “Nothing will change as long as the political circumstances around the DPRK remains unchanged and the U.S. hostile policy is not shifted, although the termination of the war is declared hundreds of times,” Ri said …