"It would be extremely hard to advance the situation at hand without political and diplomatic instruments", he said.
USA officials say such restrictions could have a major impact on North Korea's military and industrial economy as it lacks its own oil resources.
"But the next step, they think, is an invitation to the cemetery".
"The Chinese president said the general direction should head toward a peaceful settlement of the issue, adding that dialogue combined with a set of comprehensive measures is best for seeking a long-term solution", the agency reported.
China's state broadcaster, China Central Television, said Xi told Merkel that China remains committed to the denuclearization of the Korean Peninsula and to the region's peace and stability.
A senior North Korean official has lashed out at France after it warned Pyongyang's nuclear ambition could pose a threat to Europe, saying Paris must abandon its own atomic weapons first. "But I can tell you North Korea is behaving badly and it's got to stop", he said. Everyone knows that and everyone in North Korea knows that.
While both condemned North Korea over its latest nuclear test, the leaders of Russian Federation and South Korea seemed far apart on stepping up sanctions against the country.
One of them is Ri Hong-sop, who is also the head of North Korea's Nuclear Weapons Institute and Hong Sung-mu, the deputy of the Ammunition Industry Department. The yen strengthened on Lee's remarks.More news: North Korea: UN Security Council approves new sanctions
Early on Sunday, the world was alerted to Pyongyang successfully carrying out its largest ever nuclear missile test in the mountains in northern North Korea when observers detected up an 6.3-magnitude natural disaster.
Fears that North Korea is developing an arsenal of intercontinental ballistic missiles capable of striking cities in the USA and Canada have heightened concerns about the possibility of war.
As for what a new UN Security Council resolution would look like, Kremlin spokesman Dmitry Peskov said, yesterday, that discussions are underway but it's too early to draw an conclusions. The proposal would also freeze all foreign financial assets belonging to Kim and North Korea.
Pressed on this during a regular news conference, Japan's Chief Cabinet Secretary Yoshihide Suga declined to comment on the specific proposal, saying only that Tokyo would continue to purchase necessary equipment from the United States and other countries.
South Korea has lashed back, blasting K-pop music, local radio and worldwide news in hopes of reaching the ears of northern soldiers.
"I was in Calgary for a month a few years ago".
The system, made by Lockheed Martin Corp., is created to destroy short-and-medium-range ballistic missiles at high altitudes in their "terminal" phase, as they descend.
The proposed USA sanctions would also freeze all foreign financial assets of the government and its leader, Kim Jong Un.
But the USA is expected to face opposition from China and Russian Federation, which both supply oil to North Korea and wield vetoes at the Security Council. The two leaders had a "very, very frank and very strong call", he added.
Mr Putin said he believes US President Donald Trump's administration is willing to defuse tensions over North Korea's nuclear ambitions.