According to Reuters, North Korea on Sunday condemned the U.S. administration for stepping up sanctions and pressure on the nuclear-armed country, warning of a return to “exchanges of fire." The North’s stinging response came after the United States said on Monday it had introduced sanctions on three North Korean officials, including a top aide to North Korean leader Kim Jong Un. North Korea’s foreign ministry said that Washington had taken “sanctions measures, as many as eight times against companies, individuals, and ships of the DPRK.

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