The United Nations Security Council on March 7 unanimously adopted a resolution that tightened sanctions against North Korea in response to its nuclear weapons test on Feb. 12, its third such test.
Opposing the resolution, the country has hardened its attitude to the point of threatening a pre-emptive nuclear attack against the United States. North Korea's isolation will become deeper if it continues to ignore the international community's warnings about its development of missiles and nuclear weapons.
Even China, the benefactor of North Korea, supported the sanctions. Pyongyang should take the meaning of the sanctions very seriously and return to the six-party talks, which are aimed at denuclearizing North Korea, as soon as possible.
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