South Korean President Moon Jae-in and U.S. President Donald Trump agreed to more thoroughly implement United Nations sanctions against North Korea during telephone talks Sunday.
Just two days ago, North Korea fired a ballistic missile over the northern Japanese island of Hokkaido, the latest in a series of missile tests defying the global community.
"The two leaders agreed on more practical and stronger pressure.to make the North Korean regime realise that further provocation will only bring stronger diplomatic isolation and economic pressure leading to a path of collapse", the South's presidential office said in a statement.
On Friday, the U.N. Security Council condemned North Korea's "highly provocative" test of an intermediate-range missile, which hurtled over US ally Japan into the northern Pacific Ocean.
"For those who have said, and been commenting about a lack of a military option, there is a military option".
How has North Korea responded in the five weeks since President Donald Trump threated Pyongyang with "fire and fury?"
Meanwhile, North Korea has said it wants "equilibrium" with the U.S.
North Korea's latest missile launch renewed discussion in the Trump administration about how military force could be used to stop Kim Jong Un's development of nuclear warheads and ballistic missiles.
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"I believe it will further North Korea's isolation - diplomatic and economic isolation - because more and more nations are realising there's simply no collaboration with the worldwide community".
In his first general debate speech to the assembly slated for Tuesday, Trump "will urge all states to come together to address grave dangers that threaten us all", such as terrorism and North Korea's nuclear ambitions, according to McMaster.
Moon also stressed the need to strengthen South Korea's military capabilities as well as those of the South Korea-US alliance.
China will implement all United Nations Security Council resolutions, "no more, no less", Cui Tiankai, China's ambassador to the U.S., told reporters at a briefing in Washington when asked if China would cut oil shipments.
They agreed to continue their discussions when they meet in NY for the U.N. General Assembly later this week, according to the spokesman.
Addressing several hundred air force personnel after reviewing some of America´s most high-tech fighters jets and bombers, Trump warned that Pyongyang had "once again shown its utter contempt for its neighbors and for the entire world community". And right now, I don't have any more forensics on it.
They said the South Korean and US leaders were also expected to hold a bilateral summit.