(ABC NEWS) - America's ambassador to the United Nations told the Security Council today that its incremental approach toward getting North Korea to stop its nuclear program has failed.
"Enough is enough," U.N. Ambassador Nikki Haley said at an emergency meeting of the U.N. Security Council that was called in response to North Korea's sixth and strongest-ever nuclear test Sunday.
"The time has come to exhaust all diplomatic means to end this crisis," Haley said. "Only the strongest sanctions will enable us to solve this problem through diplomacy."
North Korean leader Kim Jong Un is "begging for war," she said. "The stakes could not be higher. The urgency is now."
The U.S. ambassador appeared to back up statements by Treasury Secretary Steve Mnuchin and President Donald Trump calling for sanctions against any countries that do business with North Korea.
"We have kicked the can down the road long enough," Haley said. "There is no more road left."
The Security Council emergency meeting was called at the request of the U.S., Japan, France, Britain and South Korea following North Korea's test of what it claimed was a hydrogen bomb that could be secured to an intercontinental ballistic missile.
It was the second such meeting in less than a week about North Korea's persistent tests of missiles and nuclear weapons.
South Korea meanwhile is warning today that its neighbor to the north is preparing to launch a ballistic missile.
South Korea's primary intelligence agency, told one of the country's lawmakers about the potential launch, according to Yonhap News Agency, a news agency based in South Korea.
A news reader for a North Korean state-run television announced the purported hydrogen bomb test early on Sunday, saying it was ordered directly by Kim Jong Un. The broadcaster called it a "complete success," adding that the "two-stage thermonuclear weapon" had "unprecedented" strength.
South Korea is still working to verify whether the weapon tested was a hydrogen bomb. But it was the most powerful of North Korea's six nuclear tests so far. Hydrogen bombs are stronger than the atomic bombs America dropped on Hiroshima and Nagasaki during World War II.
'Unfair' threats to cut off trade
China, a trade partner of North Korea, pushed back earlier today against the any threat of sanctions over Pyongyang's nuclear weapons program.
"What is definitely unacceptable to us is that on the one hand we work so hard to peacefully resolve this issue and on the other hand our interests are subject to sanctions and jeopardized," a foreign ministry spokesman, Geng Shuang said at a news briefing. "This is unfair."
Mnuchin on Sunday morning announced possible U.S. sanctions against North Korea's trading partners.
"We've already started with sanctions against North Korea" Mnuchin said on "Fox News Sunday." "But I'm going to start a sanctions package to send to the president, for his strong consideration, that anybody that wants to do trade or business with them would be prevented from doing trade or business with us."
Mnuchin added that the U.S. will work with allies and China toward taking more forceful steps to cut off North Korea from the global economy.
Trump backed up Mnuchin's words later on Sunday, saying on Twitter that America would consider "stopping all trade with any country doing business with North Korea."
"The United States is considering, in addition to other options, stopping all trade with any country doing business with North Korea," Trump wrote.
Leaders from around the world have condemned North Korea's most recent nuclear test.
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