Earlier, US vice-president Mike Pence warned North Korea against testing Trump's "resolve", and said that former US President Barack Obama's "strategic patience" policy had ended.
On April 14, US media reported that US President Donald Trump might order a strike against North Korea if Pyongyang made a decision to carry out another nuclear weapon test. "But dialogue for the sake of having dialogue is meaningless".
"Got to behave", said Trump.More news: United Nations condemns North Korea missile launch after Russia, US spar over words
China has close economic ties with North Korea, despite United Nations sanctions, which is why U.S. President Donald Trump went out of his way to woo the Chinese leader, Xi Jinping, in recent weeks.
The South Korean news agency Yonhap has reported that the US Air Force has dispatched a nuclear sniffer aircraft to the east of the Korean Peninsula to detect and identify another nuclear test by North Korea, its sixth. North Korea is believed to have failed in its latest ballistic missile launch on Saturday, an attempted show of might that was supposed to cap a day of celebrations marking the birth of the country's founder, Kim Il Sung.
North Korea seemingly sent a message to the United States by displaying parts of the country in flames during a military celebration.
"When we requested to restore the agreed language that was of political importance and expressed commitment to continue to work on the draft. the USA delegation without providing any explanations canceled the work on the draft", the Russian U.N. mission said in a statement on Wednesday.More news: US pilot ejects from jet approaching carrier headed for Korean peninsula
"But at the same time", the prime minister said, "dialogue for the sake of dialogue is valueless and it is necessary for us to exercise pressure North Korea so that it comes forward and engages in this serious dialogue".
Trump wrote Sunday on Twitter that China was working with the United States on "the North Korea problem".
Beijing has no desire for the government of North Korean leader Kim Jong-un to collapse as it could lead to a reunification that would place American soldiers on China's borders through Washington's close links to Seoul.
"We need to apply pressure on North Korea so they seriously respond to a dialogue" with the worldwide community, he said, urging China and Russian Federation to play more constructive roles on the issue.More news: Celtics nail down top seed in East
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