The North’s first test of an ICBM is a major step forward for Pyongyang as it builds an arsenal of long-range nuclear-armed missiles.

North Korea’s intercontinental ballistic missile (ICBM) test was a “gift” to “American b*******(expletive)” on their independence day, Pyongyang’s official news agency on Wednesday cited leader Kim Jong-Un as saying.

After personally overseeing the launch, “he said American b*******(expletive) would be not very happy with this gift sent on the July 4 anniversary,” the Korean Central News Agency reported.

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Breaking into peals of laughter, he “added that we should send them gifts once in a while to help break their boredom,” it said.

The North’s first test of an ICBM, confirmed overnight by officials in the U.S., is a major step forward for Pyongyang as it builds an arsenal of long-range nuclear-armed missiles that can hit anywhere in the U.S.

Worry spread in Washington and at the United Nations, where the United States, Japan and South Korea requested a U.N. Security Council emergency session, scheduled for Wednesday afternoon. The U.S. Secretary of States Rex Tillerson said the U.S. response would include “stronger measures to hold the DPRK accountable,”