"That (claim) is without basis", he told reporters outside the North Korean embassy in Mexico City. After Sunday's nuclear test, he tweeted that Pyongyang has become a "threat and embarrassment to China"- a critique of Chinese President Xi Jinping.
After an initial comment that he would rather avoid military action, Trump told a questioner: "Military action would certainly be an option".
Remittances from foreign earnings and textile exports are two of the most important remaining sources of income for North Korea. "We believe that sanctions and pressure are only half of the key to resolving the issue".
On Sunday, North's Foreign Ministry spokesman said the U.S. was "going frantic" to manipulate the UNSC over the nuclear test, which he claimed was part of his country's "legitimate self-defensive measures".
"Is it inevitable? Nothing is inevitable", Mr Trump said during a news conference. Several countries, including Spain, Peru and Kuwait, she said, have set numerical limits on guest workers and Pyongyang's diplomats. The circulated draft resolution at the United Nations states.... the council would empower the U.S. Navy and U.S. Air Force to intercept North Korean ships at sea, and inspect them to check if they are carrying weapons material or fuel into the regime.
The warning came as the USA called for a vote on Monday on a draft resolution to tighten sanctions on North Korea, which has repeatedly tested bombs and missiles as it seeks the ability to target the US with a nuclear weapon.
"But we must also maintain the unity of the Security Council at all costs, because it is the only tool which can carry out a diplomatic initiative with a chance of success", he said.
- North Korea is technically still at war with the USA and South Korea as the war which was called of in 1953 ended in a truce rather than a peace treaty.
Sanctions are the primary weapon that must be used against North Korea. Putin expressed concern that cutting off oil supplies would hurt regular North Koreans, Yoon said.
After the test, Trump said he was considering suspending trade with any country that did business with Pyongyang and hinted that he did not rule out an attack on North Korea.
President Donald Trump has urged China to do more to rein in its neighbor, which has pursued its weapons programs in defiance of United Nations sanctions and global condemnation.
"Along with pressure on the North Korean regime to induce it to abandon provocations in the implementation of its nuclear and missile programs, it is necessary to emphasize and increase the priority of efforts to resume the political process", Lavrov said.
North Korean leader Kim Jong Un has hosted a massive celebration to congratulate his nuclear scientists and technicians who steered the country's sixth and largest nuclear test a week ago.
The South and the United States will deploy more of the Terminal High-Altitude Area Defense (THAAD) missile launchers. The ministry said the exercises had been planned well in advance.