WASHINGTON: US President Joe Biden warned Wednesday that North Korean leader Kim Jong Un's regime would be finished if he were to launch a nuclear attack on the United States or its allies.

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"A nuclear attack by North Korea against the United States or its allies or partisans -- partners -- is unacceptable and will result in the end of whatever regime were to take such an action," Biden told a joint news conference with South Korean President Yoon Suk Yeol.