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WASHINGTON: President Donald Trump on Friday turned up the heat on North Korea, warning Pyongyang that the US military is "locked and loaded" in the event of a misstep by the totalitarian state, despite mounting international calls for restraint.
Trump again urged the regime of Kim Jong-Un to keep its nuclear weapons and ballistic missile programs in check, as the North's official news agency accused the US of driving the situation "to the brink" of war.
The latest Twitter threat from the Republican billionaire leader came as concerns swelled worldwide that a miscalculation by either side could trigger a catastrophic conflict on the Korean peninsula.
"Military solutions are now fully in place, locked and loaded, should North Korea act unwisely. Hopefully Kim Jong Un will find another path!" Trump wrote from his golf club retreat in New Jersey, where he is on a working vacation.
The official KCNA news service countered in an editorial that "Trump is driving the situation on the Korean peninsula to the brink of a nuclear war," calling the US "the mastermind of nuclear threat, the heinous nuclear war fanatic."
Earlier in Beijing, China -- Pyongyang's main diplomatic ally -- urged Trump and Kim to tone down the saber-rattling.
Chinese foreign ministry spokesman Geng Shuang called on both sides to avoid "going down the old path of alternately showing strength and continuously escalating the situation."
"We call on the relevant parties to be cautious with their words and actions, and contribute more toward easing tensions and enhancing mutual trust," Geng said in a statement.
Russia's Foreign Minister Sergei Lavrov said Moscow was "very alarmed" at Trump's tough talk, and said Washington should take the first step toward cooling tensions.
"When a fight has nearly broken out, the first step away from the dangerous threshold should be taken by the side that is stronger and smarter," Lavrov said.
- International calls for restraint -
Beijing has repeatedly pushed resuming long-dormant six-party talks to peacefully resolve the mounting tensions, but its position has been overshadowed by Trump and Kim's emerging game of brinkmanship.
China's proposal for North Korea to halt its weapons programs in exchange for a suspension of military drills by the United States and South Korea has essentially been ignored.
Trump has progressively ramped up the tone throughout the week -- after brandishing a threat of unleashing "fire and fury" on North Korea, he said Thursday maybe that statement "wasn't tough enough."
He warned Pyongyang it should be "very, very nervous" of the consequences if it even thinks of attacking US soil, after Kim's regime said it was readying plans to launch missiles towards the US Pacific territory of Guam.
Trump also called on China to "do a lot more" to heap pressure on Kim.
German Chancellor Angela Merkel joined the intensifying chorus of calls for restraint, saying diplomacy was the answer.
"Germany will very intensively take part in the options for resolution that are not military but I consider a verbal escalation to be the wrong response," she said.
Nearly a week ago, the UN Security Council unanimously passed fresh sanctions against Pyongyang over its weapons program, including export bans, a new punishment that could cost North Korea $1 billion a year.
"This is clearly a time for all the parties to focus on how to de-escalate and lower the tensions," said the spokesman for United Nations Secretary General Antonio Guterres, Stephane Dujarric.
- 'Tragedy of war' -
US Defense Secretary Jim Mattis appeared intent Thursday on easing the tension, describing the prospect of war as "catastrophic" and saying diplomacy remained the priority.
Asked Friday if Mattis was aware of Trump's latest tweet, spokesman Colonel Rob Manning simply said the Pentagon chief was "in close and constant contact with the president."
A White House official noted: "There are military plans for just about any crisis we may face in the world. (...) This isn't anything new."
In China, the state-run Global Times said Friday that Beijing should "stay neutral" and not intervene on Pyongyang's side if it triggered a conflict.
Meanwhile in South Korea, calls mounted for Seoul to develop atomic weapons of its own, with the Korea Herald saying in an editorial: "Now is time to start reviewing nuclear armament."
- 'Bereft of reason' -
Relations between Washington and Pyongyang have been tense for months, in the wake of the North's repeated missile tests, including two successful intercontinental ballistic missile (ICBM) test launches in July that are believed to have brought much of the US mainland within range.
North Korea raised hackles in the United States when it announced a detailed plan to send four missiles over Japan and towards Guam, an island territory of some 165,000 people, where some 6,000 US soldiers are based.
Pyongyang said the scheme to target the island, a key US military outpost in the western Pacific, was intended to "signal a crucial warning" as "only absolute force" would have an effect on a US leader "bereft of reason."
The tough talk has caused global markets to plunge this week, with stocks in the red again Friday.
Tensions on the Korean peninsula tend to increase when Seoul and Washington launch major military joint exercises, and the next, Ulchi Freedom Guardian, is set to kick off around August 21.