SEOUL (APP) - North Korea said Saturday it would not submit to US nuclear "blackmail", a day after shocking the world with its fifth and largest nuclear test.
"Gone are the days never to return when the US could make a unilateral nuclear blackmail against the DPRK," said the ruling party newspaper Rodong Sinmun, using the country's official name.
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"The US is exasperated by the strong military steps being taken by the DPRK in a phased way."
The North's latest test, preceded by a volley of missile launches in recent months, sparked worldwide condemnation. The UN Security Council agreed on Friday immediately to begin work on a new series of sanctions.
The Rodong commentary, carried by the North's official KCNA news agency, slammed South Korean President Park Geun-Hye as a "dirty prostitute" of foreign forces.
The commentary took issue with her recent condemnation, during talks with US President Barack Obama, of the North's ballistic missile test-launches. It did not directly mention Friday's nuclear test.
The newspaper accused Park of "groundlessly taking issue with the DPRK over its just measures for bolstering nuclear deterrence for self-defence".
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It added: "The DPRK will not change its option though such American colonial servant and dirty prostitute of foreign forces as Park Geun-Hye is making such fuss."