Mike Pence says US stands by ally Japan on North Korea problem

"The era of strategic patience is over".

Pence said on Monday the world had seen Trump's resolve in the past two weeks, with a U.S. missile attack on a Syrian airfield and the dropping of a powerful non-nuclear bomb on Islamic State fighters in Afghanistan.

North Korea's Ambassador to the United Nations Kim In Ryong said DPRK is "ready to react to any mode of war" desired by the U.S. and accuses the USA of using "gangster-like" logic.

Russian Foreign Minister Sergei Lavrov said on Monday that Moscow can not accept the DPRK's "reckless nuclear actions".

China wants to cool tempers and would like to see a return to multilateral negotiations with North Korea.

Donald Trump has warned North Korea it has "gotta behave" as the U.S. agreed to the early deployment of a missile defence system in the region. The USS Nimitz will be joining the Ronald Reagan at the US base just south of Tokyo as tension on the Korean peninsula continues to rise.

North Korea has conducted several missile and nuclear tests in defiance of United Nations sanctions and has said it has developed a missile that can strike the U.S. mainland. The test was unsuccessful, with the device blowing up "almost immediately", according to USA military officials. -South Korean installation, which is just outside the 2.5-mile wide (4 kilometers) DMZ.

Mr Kim stressed that US-South Korean military exercises being staged were now the largest-ever "aggressive war drill" aimed at his country, formally the Democratic People's Republic of Korea.

Pence arrived in Japan on Tuesday and met with Prime Minister Shinzo Abe for discussions on security and trade. "But dialogue for the sake of having dialogue is meaningless".

Earlier this month, a senior White House official told reporters that "the clock has now run out, and all options are on the table" with North Korea, according to a report by CNN.

Mr Pence's visit came amid increasing tensions and heated rhetoric on the Korean Peninsula. One propaganda film previous year featured animation of a North Korean, nuclear-tipped ICBM striking New York City.

He has also raised the matter with the Chinese leadership since taking office.

Mr McMaster cited Mr Trump's recent decision to order missile strikes in Syria after a chemical attack blamed on the Assad regime as a sign that the President "is clearly comfortable making tough decisions".

Opposition Leader Bill Shorten has said "you'd have to be a fool" not to be anxious about what was happening in North Korea.

United Nations diplomats said the proposed statement of condemnation had consensus from the other 14 Council members, including China, North Korea's biggest ally and a Council permanent member.

"It undermines faith that the president this situation fully under his command", Birdsell said.