The US issued a stern warning to North Korea, which had recently said it is planning to accelerate a buildup of its nuclear weapons programme, saying any nuclear attack by North Korea will be met with a "swift, overwhelming, and decisive" response.
The US said any nuclear attack by North Korea against the US or its allies is unacceptable and will result in the end of that regime.
During the fourth Nuclear Consultative Group (NCG) meeting between the US and South Korea, the US reiterated its commitment to back the latter with a full range of military capabilities, including nuclear.
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According to the US Department of Defence, the NCG Principals discussed various efforts to maintain and strengthen nuclear deterrence policy and posture, in accordance with the United States and Republic of Korea Guidelines for Nuclear Deterrence and Nuclear Operations on the Korean Peninsula (Guidelines).
The NCG, which meets twice per year, is co-chaired at the assistant secretary level by senior policy leaders in the Department of Defense and South Korea Ministry of National Defense, and includes US and South Korean interagency participants such as national security, defense, military, diplomatic, and intelligence officials.
NCG contributes to strengthening extended deterrence by enhancing understanding of the North Korean nuclear threats on the Peninsula and shared preparedness to address those threats through regular table-top exercises and simulations.