US President Donald Trump at a joint press conference with Italian Prime Minister Paolo Gentiloni.
Trump has been pressuring China, North Korea's main benefactor, to help defuse the situation over North Korea's development of atomic weapons and long-range missiles but he has also warned that the United States will settle the issue alone if other countries won't help.
No details were given as to what the potential contingency would be.
Lu said Beijing wants to resume the multi-party negotiations that ended in stalemate in 2009 and suggested that US plans to deploy a missile defence system in South Korea were damaging its relations with China.
"And this time, it isn't North Korea with an erratic trigger-happy leader", announced Colbert.More news: US President Donald Trump Says NATO Is No Longer Obsolete
South Korea's Defense Ministry also confirmed on Thursday that the USA and South Korean Air Forces are conducting an annual training exercise - codenamed Max Thunder - until April 28. In return, he said, the US will accept trade deficits with China.
And Chinese officials have made it clear they remain loyal to North Korea.
United States battleships were moved into the waters near the Korean peninsula as a precaution.
During his visit to the North Korea border this week, Vice President Mike Pence announced that Washington's strategy of so-called "strategic patience" with the North is over.
China - officially an ally to Kim Jong-Un - have said a war with North Korea could happen "at any time" amid rising tensions between the hermit state, Russian Federation and the US.More news: United States considers shooting down N.Korea missile tests
Its aim is to be able to put a nuclear warhead on an intercontinental ballistic missile that can reach targets around the world, including the US.
That's right, Kim Jong-un is taking no prisoners and has warned Americans "Don't mess with us" on North Korean state media.
The failed North Korean missile test over the weekend was an attempt by the reclusive country to "provoke something", U.S. Defense Secretary Jim Mattis said on Tuesday, pledging that the United States will work with China to reduce tensions. China is North Korea's biggest trading partner.
"The Chinese government should be doing more - in that military parade Saturday, we saw what looked like Chinese missiles, so apparently there has been a leaking of technology and we have to ask the Chinese government how the North Koreans got these".More news: Why American Express Company Stock Jumped 6% Today
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