Chinese internet users and state media took the comments as a slap at Chinese soldiers who fought alongside North Korean forces during their failed attempt to annex South Korea in the 1950-53 war.
The actions were likely an effort to prevent a coronavirus outbreak, South Korea’s military said on Thursday.
In "Rage," the journalist describes how Trump's erratic tweeting ramped up tensions inside the White House, prompting one top official to sleep in his clothes.
The North Korean leader wrote that he believed "the deep and special friendship between us will work as a magical force."
North Korea's dictator reportedly described his bond with Trump as something out of a “fantasy film," the famed Watergate journalist will reveal in "Rage."
The country has vehemently denied having had any cases of the virus, a claim questioned by outside experts.
North Korea has blown up a vacant inter-Korean liaison office in a symbolic act of aggression.
The dramatic display sharply raises tensions on the Korean Peninsula and puts pressure on Washington and Seoul.
Pyongyang said there was nothing to be gained "simply by maintaining personal relations" between Kim Jong Un and Donald Trump.
North Korea's latest moves will further set back South Korean President Moon Jae-in's push for inter-Korean reconciliation.