He said the U.S. will "have no choice but to totally destroy North Korea" if Kim continues to cross the red line.
On Monday, President Moon Jae-in said his government seeks to inflict "powerful punishment" on North Korea to make clear that Pyongyang has "no other choice but to give up its nuclear weapons and missiles".
North Korea was not only the country to draw Mr Trump's ire, with the President also taking aim at Iran.
An official directly familiar with options planning within the Trump administration told CNN the question that now needs to be answered is whether North Korea's missile program has progressed to the level of being such an inherent threat that the Pentagon would recommend targeting a missile even if its trajectory did not indicate it would hit the U.S. or its allies.
Trump is also using his four days in NY to voice his concern about Venezuela, telling Latin American leaders on Monday night the United States would take additional steps if Caracas moved toward authoritarian rule. The bay is in extremely close proximity to North Korea, especially its border with Russian Federation.
A risky rocket fuel dubbed "Devil's Venom" has been the key to the success of North Korea's ballistic missile program - and it may be too late to stop the rogue nation from producing it itself.
- President Donald Trump criticized the United Nations for bloated bureaucracy and mismanagement on his first visit on Monday to U.N. headquarters, calling for "truly bold reforms" so it could be a greater force for world peace.
The US has considered shooting down North Korea's missile in the past, but have never acted on it.
The Pentagon is looking at potential covert cyberattack options.
The drills, which include submarine rescue and anti-submarine exercises, are not directly linked to increasing tensions over North Korea, China's state-owned Xinhua news agency reported.
U.N. Security Council veto powers Russian Federation and China did not sign the declaration.
According to the USA -based Reputation Institute, Samsung's ranking in terms of corporate social responsibility plunged 69 notches from 2016 to the 89th spot.
Last week, Beijing made another major move against Pyongyang when its biggest banks announced that they would be refusing to accept new transactions from North Korean individuals or companies.
Why does Russian Federation care about North Korea? However, Moscow's interests in the North Korean issue can not be overlooked. Not only does it serve as Moscow's gateway to the Asia-Pacific region, but it also is home to the headquarters of the Pacific Fleet serves as a hub for Russia's energy trade.