UPDATE AT 22:37 Korea Standard Time (KST): President Park has chaired an emergency meeting at the Blue House with the Prime Minister, Ministers for Foreign Affairs / Unification / Defense, the Joint Chief of Staff, and others. Below are some excerpts from her statement:

“North Korea’s nuclear test, already the second this year, cannot be regarded as anything else but a direct defiance against the international community. … Not listening to any advice from the international community and the neighboring countries just to remain in power, Kim Jong-un’s mental condition should be considered beyond control.
…
Now the nuclear threat