Ri threatened to launch a merciless preemptive war if there is any sign that the "U.S. enemies" intend to attack the North and achieve the reunification of the Korean Peninsula after wiping them out.
On one side of the square a giant poster depicted innumerable red missiles plunging towards a collapsing US Capitol, with the slogan "Korea's Answer".
In his latest speech, he called Donald Trump a "dotard".
"People say this is all part of its brinkmanship strategy to force the USA to come forward for negotiation".
"Trump is a warmonger and a backstreet gangster", he added.
Lewis finds similarities between the current situation surrounding North Korea and the events that led to China's 1966 test, which was driven by US doubts of Chinese capabilities to place nuclear weapons on ballistic missiles.
The leader of North Korea has introduced a lot of people to an interesting new word.
The 2018 Games are to be staged in Pyeongchang, just 80 km (50 miles) from the demilitarized zone between North and South Korea, the world's most heavily armed border.
Trump has said on multiple occasions that the strategy of talks with North Korea, which have lasted now for over 20 years, are not working. Kim also has threatened to fire missiles into the waters near the USA territory of Guam.
North Korea in past months has been stepping up the aggressiveness of its nuclear and missile tests.
"The worldwide community is raising voices of denunciation, being deeply concerned about such outbursts and wild words as "total destruction" of a sovereign state, not just "overturn of social system" and "regime change", he said".
Trump has become known for using language similar to that usually employed by North Korea.
In response, Tillerson said USA diplomatic efforts would continue but all military options were still on the table.
For North Korea, the threats to overturn of the social system and "regime change" have always been in their comfort zone, as they did not expect a USA president to actually act militarily against them. The United States had pressed for a complete ban on oil sales to the North but received pushback from China and Russian Federation. Earlier this month, North Korea conducted its sixth and most powerful nuclear test to date drawing stiffer United Nations sanctions.
"North Korea's nuclear weapons and missile development is a grave threat to peace and security in our world and it is unacceptable that others financially support this criminal, rogue regime", Trump said as he joined Japanese Prime Minister Shinzo Abe and South Korean President Moon Jae-in for lunch.
Kim said his country will consider the "highest level of hard-line countermeasure in history", a possible indication of more powerful weapons tests on the horizon, but didn't elaborate.
KCNA also published rare criticism of official Chinese media, saying comments on North Korea's nuclear program had damaged ties and suggested Beijing, its neighbor and only major ally, had sided with Washington.