North Korea is likely to formalize further Kim Jong Un 's "hostile" stance toward the South next week when its legislature meets to revise the country's constitution, according to a new assessment out of Seoul.

SEOUL, South Korea — South Korea unveiled its most powerful ballistic missile and other weapons targeting North Korea during a massive Armed Forces Day ceremony Tuesday, as the president warned the North’s regime would collapse if it attempts to use nuclear weapons.

Eager citizens waved flags and aged veterans stood at attention as armor rumbled through central Seoul’s concrete canyons, while a line of Apache attack helicopters whirled overhead and formations of fighter jets thundered through the clouds.

A politician breaks taboo and starts a conversation over whether North Korea and South Korea should give up on reunification.

South Korea said it and the U.S. will respond resolutely and overwhelmingly to any use of nuclear weapons by the North.

North Korea has been quiet on South Korea since August, prompting analysts to suspect that the “unusual” silence could be linked to its plan to amend the country’s constitution to ensure that Seoul is seen as the “primary foe,