He previously advised the president to tell the Chinese officials the US will use military action in North Korea if Beijing doesn't make strides to stop Kim Jong-Un's nuclear program, The Daily Mail reports. North Korea has an air base in Wonsan and missiles have also been tested there.
While South Korea's Defense Ministry could not immediately confirm the report, the Office of the Joint Chiefs of Staff said: "Our military is closely monitoring the North Korean military's movement in Wonsan areas and we are firmly maintaining readiness". "North Korea is a big world problem and it's a problem that we have to finally solve", Trump said at the meeting.
Speculation had mounted that the North could carry out a sixth nuclear test or another missile launch to mark the 85 years since the founding of its army yesterday.
The missile-armed USS Michigan is set to join an incoming group of warships led by aircraft carrier Carl Vinson.
North Korea has been aggressively pursuing a decades-long goal of putting a nuclear warhead on an intercontinental ballistic missile, or ICBM, capable of reaching the USA mainland.
North Korea called the deployment of the USS Carl Vinson carrier group to the waters off the Korean Peninsula "an extremely unsafe act by those who plan a nuclear war to invade".
Meanwhile, it said, the U.S. Navy's aircraft carrier Carl Vinson will be deployed in waters off the Korean Peninsula "around late April" and it will hold a joint maritime exercise with South Korea's navy in the Sea of Japan.
Japan's Foreign Ministry announced that China's envoy for North Korea, Wu Dawei, was arriving in Tokyo on Tuesday for talks with Kanasugi that may take place later this week.
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The article also said the North Korean officials were "perilously overestimating their own power".
The "armada" should arrive in the waters surrounding the peninsula "within days", US Vice President Mike Pence said on Saturday, without giving specific details. It did not elaborate.
Secretary of State Rex Tillerson will chair a special Security Council ministerial on Friday to address denuclearization efforts in the Korean Peninsula.
Separately the entire US Senate has been called to a rare briefing on the perceived threat in the White House on Wednesday.
A North Korean foreign ministry spokesman said those meetings called by USA officials clearly reflected the US pressure that could "ignite a full-out war" on the Korean peninsula. "Very powerful", Trump said in a Fox News interview.
Recent U.S. commercial satellite images indicate increased activity around North Korea's nuclear test site, and third-generation dictator Kim has said the country's preparation for an ICBM launch is in its "final stage".
President Donald Trump met with ambassadors from United Nations Security Council members Monday at the White House.
North Korea says its nuclear programme is defensive but it is trying to develop weapons small enough to put on ballistic missiles.
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