Kim’s comments came after what he perceived as a threat by South Korean President Yoon Suk Yeol during a military parade showcasing South Korea's military.

North Korean leader Kim Jong Un threatened to use nuclear weapons to destroy South Korea if attacked, state media reported Friday, after South Korea’s president warned that if the North used nuclear weapons it would “face the end of its regime.

President Yoon warns North Korea against nuclear use, prompting Kim Jong Un to label him "not sane" in a sharp rebuttal.