The powerful sister of North Korean leader Kim Jong Un said her country will never see South Korea as a partner for diplomacy.

North Korea's Kim Yo Jong, the powerful sister of leader Kim Jong Un, said South Korea and its President Lee Jae Myung had a "dual personality" by talking about wanting to pursue peace while holding joint military drills with the U.

North Korean leader Kim Jong Un stressed his order of a quick expansion of his forces' nuclear capabilities, citing the annual U.S.-South Korea military exercises, according to the country's state media.