The country's United Nations mission also issued a lengthy statement denouncing the sanctions, which were meant to dissuade North Korea from pressing ahead with its missile and nuclear weapons programs.
Trump made the comments during a briefing from his golf course in New Jersey following a report that Pyongyang has developed the capability to launch a nuclear attack against mainland U.S. cities.
The president issued the warning to Mr. Kim after the Washington Post reported that USA intelligence agency believe the rogue regime has made a miniaturized nuclear weapon that can be carried by long-range missiles.
But it is impossible to say whether the $1 billion slap will slow the most serious national security crisis facing President Donald Trump: Pyongyang's race to top an intercontinental ballistic missile that could hit United States soil with a nuclear warhead.
"After many years of failure, countries are coming together to finally address the dangers posed by North Korea". Only 21 percent say they would support an agreement that saw North Korea halt its nuclear program but not give up its existing weapons (17 percent of Republicans and 26 percent of Democrats). According to USA intelligence experts, the tests show that North Korea is close to achieving success with long-range delivery systems. "Neither shall we flinch even an inch from the road to bolstering up the nuclear forces chosen by ourselves unless the hostile policy and nuclear threat of the USA against the [Democratic People's Republic of Korea] are fundamentally eliminated". A total of 2,760 adults living in all 50 USA states and the District of Columbia were surveyed, with a margin of error of plus or minus 1.9 percentage points.
At times the administration seemed to signal, nearly casually, that it was considering a preemptive strike on North Korea, which could trigger a land war on the Korean peninsula and the deaths of tens of thousands of people.
North Korea has tested ICBMs in recent weeks, though a video analysis of a launch last month showed the missile caught fire on reentry. The measures would block about $1 billion - or about one-third from North Korean exports. At other times President Trump seemed to think that China could be easily induced to pressure North Korea to abandon its nuclear ambitions.
Alarm in Washington over North Korean leader Kim Jong-un's pursuit of nuclear capability has intensified in the past month after the North conducted two tests of intercontinental ballistic missiles for the first time last month.
"It's been nearly a year since the sixth nuclear test". He recently urged Attorney General Jeff Sessions to take a far more aggressive posture toward rooting out leakers.