Kim Yo Jong has been described as a mouthpiece for her brother, North Korean leader Kim Jong Un — and a potential successor.

Kim Yo Jong has warned the US to accept a "new reality" in which North Korea's nuclear weapons program is non-negotiable

New talks between North Korea and the United States are possible if Washington drops its demand that Pyongyang rid itself of nuclear weapons, Kim Jong Un’s powerful sister suggested in a statement released by state media Tuesday.