SEOUL, South Korea (AP) — North Korea said Wednesday leader Kim Jong Un observed the test-firings of missiles from a recently launched destroyer — the first such warship for the North — and called for accelerating efforts to boost his navy's nuclear attack capabilities.

North Korea last week unveiled the 5,000-ton destroyer equipped with what it called the most powerful weapons systems built for a navy vessel. During Friday's launching ceremony at the western port of Nampo, Kim called the ship's construction “a breakthrough†in modernizing North Korea's naval forces.

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