Kim Jong Un's disappearance from public view suggests that he cannot stand up or walk by himself, a North Korean defector has said. Thae Yong-ho told CNN that Kim's 'abnormal' absence from a ruling party showpiece on April 15 signalled that the dictator must be physically impaired. 'I'm not quite sure whether he really had some surgery or whatever, but one thing is clear... he cannot stand up by himself ...