The powerful sister of North Korean leader Kim Jong Un has dismissed the U.S.’s intent to resume diplomacy on North Korea’s denuclearization

The country appeared to signal an openness to talks, but said it must be recognized as a nuclear power and would not discuss abandoning its arsenal.

South Korea is studying various plans to improve relations with North Korea, a spokesperson for South Korea's Unification Ministry said on Monday, in response to a media report that Seoul is considering allowing individual tours to North Korea.