North Korea and Syria have a history of working together against what they view as U.S. imperialism. In recent years, they've both seen success.
Little is known about the first member of Kim Jong Un's family to enter South Korea, but experts say rising star Kim Yo Jong is all part of the plan.
North Korea said "there is no other option now for the U.S. than to co-exist with" Kim Jong Un's nuclear weapons arsenal.
"North Korea may now be only months away from the capability to strike the United States with nuclear-armed ballistic missiles," U.S. envoy Robert Wood said.
The report was back online on Saturday.
The push came amid reports the Trump administration was mulling over conducting a "bloody nose" strike against North Korea.
Russia's ambassador to North Korea said Moscow's nuclear-armed neighbor would consider an attempt to stop oil flow to be a "declaration of war."
China's official military newspaper compared nuclear weapons to a sword of Damocles hanging over humanity, but said upgrades were necessary.
North Korea accused the U.S. of "sacrificing the world for its own abundant life," a move that upset even Washington's closest allies.
"It will be a very, very kinetic, physical, violent fight over some really, really tough ground, and everybody is going to have to be mentally prepared," Marine Corps Commandant General Robert Neller said.
The U.S. has said it cannot tolerate North Korea as a nuclear power.
"North Korea's nuclear weapons program is continuing to expand," Pompeo said.
North Korea said it was able to build nuclear bombs and intercontinental ballistic missiles because it trusts no one but itself.
Foreign Minister Sergey Lavrov said the treaty "triggers strong differences between the members of the international communities."
Similar actions have provoked a sharp response from North Korea in the past.
The president expressed doubts about the benefits of diplomacy.
Ted Cruz called for President Donald Trump to put Kim Jong Un "on his heels."
"If you have the largest system of concentration camps in the world...you probably shouldn't go to the Olympics," Graham said.
The decision sparked heated debate: Will it bolster the U.S. military's ability to deter threats, or make a nuclear war more likely?
The Russian military has been diversifying its nuclear capabilities for decades.
A man who claimed to be a bodyguard to Kim Jong Il said his youngest son was "angry," "stressed" and "his personality was explosive."
President Trump didn't believe Secretary of State Rex Tillerson called him a "moron" but did challenge him to an IQ test.
Has President Donald Trump turned over a new leaf, or is he just postponing the U.S.'s next major military conflict?