The fact that Kim Pyong Il survived the purges in the ruling family may indicate that Kim Jong Un never saw him as a credible rival, keeping him in the foreign service and at arm's length for years.
But images taken above Kim's luxury coastal resort in Wonsan in April show movement from a 60-metre leisure boat typically used by Kim, according to NK Pro, including during a visit by National Basketball Association star and friend to Kim, Dennis Rodman.
North Korea has often exiled those who fall out of favor, sending them aboard in attempts to erase their influence, but also providing a financial lifeline that keeps them dependent on Pyongyang's rulers.
April 12 was the most recent date at which a public appearance by Kim Jong Un was reported by state-run media.
Speculation about Kim's health and location erupted after his unprecedented absence from April 15 celebrations to mark the birthday of his late grandfather and North Korea's founder, Kim Il Sung.
"The problem is that a Kim Yo Jong-led North Korea is unlikely to be sustainable", Thae said, warning that collective leadership with her as the figurehead could lead to chaos.
Oxford researchers have reportedly received promising news about their coronavirus vaccine
The same approach is now being used to create a vaccine for the new coronavirus and she says she's "80% sure" it will work. In the worldwide race for a vaccine to stop the coronavirus, the laboratory sprinting fastest is at Oxford University .
The Wonsan villa is one of Kim Jong-un's preferred compounds.
The area saw a burst of military activity on April 14, including cruise missile tests and fighter jet manoeuvres.
Fuelling the fire of death reports, US Senator Lindsey Graham told Fox News that rumours going unanswered were suspicious.
During Il's stay overseas, he worked in diplomatic positions in several countries where North Korea has interests including Poland, Hungary, Finland, Bulgaria, and Czech Republic.
While political analysts and onlookers first turned to Un's sister as next in line, yet another face has now emerged as the potential future ruler of North Korea - Jong-un's uncle Kim Pyong Il. Another possible figure who could be the North's next leader is Kim Pyong-il, Kim Jong-il's half-brother who returned home a year ago after decades of serving as a low-key ambassador in Europe. All that could be confirmed was that several Chinese medical professionals had traveled to North Korea to check on Kim's health. North Korea, however, has not officially said anything about its supreme leader.
Trump met Kim three times in 2018 and 2019 in an attempt to persuade him to give up a nuclear weapons program that threatens the United States.
North Koreans are "frightened" about even hearing rumors that Kim has died so everyone pretends not to know, but "everyone knows", a North Hamgyong Province-based source told Daily NK on April. 29.