There have been reports that Kim Jong-un is unwell, leading to speculation that his sister Kim Yo-jong could one day succeed him.(Reuters)
ABC News Online: Kim Jong-un's sister could be his successor, but there's another family member who might one day rule
The rumour mill is in overdrive as the fate of the head of one of the world's most secretive dynasties remains a mystery.
CNN reported on April 21 that North Korea's leader Kim Jong-un was gravely unwell after surgery.
The report was dismissed by South Korea's presidential palace, which said it had received no information that suggested the 36-year-old was seriously ill.
However, as speculation continues to mount over the health of Kim Jong-un, attention is turning to who is next in line to take over in the event of his death.
"There is no clear succession process in place, and Kim is in very poor condition, so when he does die, things could get quite dangerous and messy," said Malcolm Davis, a senior analyst at Australia's Strategic Policy Institute.
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Update: Kim Jong Un’s uncle emerges as possible successor in North Korea (NYPost)
WNU Editor: Not going to happen. He may be Kim Jong-un's uncle, but he has no base of power or support in North Korea. In the meantime everyone is speculating .... What Happened To Kim Jong Un? Top Theories Emerge (Zero Hedge).