"Military solutions are now fully in place, locked and loaded, should North Korea act unwisely".
"The worldwide community is shoulder to shoulder in ensuring North Korea stops its aggressive acts". It also said that Trump looked forward to visiting China later this year, calling the relationship between the two leaders "extremely close".
The Chinese foreign ministry said Xi urged Trump to avoid "words and deeds" that would "exacerbate" the already-tense situation and to exercise restraint and seek a political settlement.
Xi Jinping, the leader of North Korea's key ally China, urged Trump on Saturday to avoid rhetoric that could inflame tensions, after the U.S. leader ramped up his warnings to Pyongyang, saying the Stalinist regime would "truly regret" taking hostile action against the United States.More news: Tech companies lead broad slide in U.S. stocks; oil rises
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It prompted Mr Trump to warn that he would unleash "fire and fury" on North Korea if it did not stop its threats.
Earlier this week, France had praised Trump's "determination" in standing up to Pyongyang.
Trump also reiterated their mutual commitment to denuclearisation of the Korean Peninsula, it added. They may continue launching missile tests but they don't want a war, and the US doesn't want military action either.
Prime Minister Shinzo Abe says he will do everything he can to protect the Japanese people as tensions escalate over North Korean plans to send missiles flying over Japan toward Guam. The influence of China in Pyongyang seems to be greatly reduced since Kim Jong Un became the North Korean leader in December 2011.
President Donald Trump has issued fresh threats of swift and forceful retaliation against nuclear North Korea, declaring the US military "locked and loaded" and warning that the communist country's leader "will regret it fast" if he takes any action against USA territories or allies. Trump's comments, however, do not appear to be backed by significant military mobilization on either side of the Pacific, and an important, quiet diplomatic channel remains open. "I think he's there mentally".