(FILES) In this file photo taken on June 30, 2019, US President Donald Trump and North Korea's leader Kim Jong-un stand on North Korean soil while walking to South Korea in the Demilitarized Zone(DMZ), in Panmunjom, Korea. - Trump said on May 2 2020, he was "glad" about the reappearance of Kim and that the North Korea leader is apparently healthy. "I, for one, am glad to see he is back, and well!" Trump tweeted, following Kim's first public appearance in nearly three weeks after intense speculation that he was seriously ill or possibly dead. (Photo by Brendan Smialowski / AFP)