He did not elaborate, but North Korea frequently vows to destroy the United States.
What impact will the oil measures have?
French envoy to the UN, Francois Delattre said: "We are facing not a regional but a global threat, not a virtual but an immediate threat, not a serious but an existential threat". The two leaders also met on the sidelines on the G20 summit in July.
"It all depends on China and Russia's willingness".
So far, sanctions have done little to slow North Korea's relentless progress in developing nuclear arms.
This is published unedited from the PTI feed.
But "DPRK bank representatives operate in Russia in flagrant disregard of the very resolutions adopted by Russia at the UN", he said in prepared remarks.
Instead, the biggest problem with the sanctions may be implementation.
Another source in China's Liaoning Province noted the North's oil price has risen higher than that of China.
China might oppose the US throwing its weight around with "the long arm of jurisdiction" but it would prefer to cut lose some North Koreans than face economic turmoil at home and abroad.
The negotiations reflect differences among the world's top powers over the best way to halt Kim's push for a nuclear weapon that can target the US homeland.
"If China gets on board with an oil embargo, and if the aim is to cripple to North Korean economy, then the international community should position such pressure within a broader strategy towards realizing a negotiated settlement and should bolster multilateral contingency planning", Mr. Ascione explained.
"The world will witness how the DPRK tames the US gangsters by taking a series of actions tougher than they have ever envisaged", the unnamed spokesman said.
"We don't threaten China, even a little bit, with country sanctions because that would be difficult, politically", to do, said Rep. Brad Sherman, a California Democrat.
"My hope is the regime will hear the message loud and clear and it will choose a different path", US disarmament ambassador Robert Woods told the Geneva forum. I mean U.S. officials say at least the resolution gives them some new tools to crack down on smuggling - again, not as stringent as originally proposed.
She said the sanctions could eventually starve North Korea of an additional $500 million or more in annual revenue. Trump thanked Najib both for the investments, including in buying Boeing aircraft, as well as the fight against terrorism. Under such a system, public opinion seems to have little effect on Kim Jong Un.
And on September 3, the DPRK conducted its sixth test of a nuclear device - the most powerful its ever detonated - marking "an unacceptable provocation", Billingslea said.
On Monday, the UN Security Council unanimously voted to step up sanctions on North Korea, with its profitable textile exports now banned and fuel supplies capped. "The choice is theirs". "It's time to go to maximum pressure".
"North Korea will try to become a nuclear state as quickly as possible to negotiate with the US as an equal before the effect of the sanctions fully kicks in", he said. Roughly 1,590 nuclear warheads deployed on U.S. ballistic missiles and bombers ensure that result.