Pakistan, Oct. 12 -- At a massive military parade attended by foreign leaders, North Korean leader Kim Jong Un rolled out his nuclear-armed military's most powerful weapons, including a new intercontinental ballistic missile he may be preparing to test in coming weeks.

The parade, which began in the rain Friday night at Pyongyang's main square and marked the 80th anniversary of the founding of the ruling Workers' Party, highlighted Kim's growing diplomatic footing and his relentless drive to build an arsenal that could target the continental United States and his rivals in Asia.

North Korean state media said Saturday that the parade featured a new, yet-to-be-tested ICBM called the Hwasong-20, which it described as the country's "most po...