South Korean President Yoon Suk Yeol issued a stark warning to North Korea during a military ceremony, stating that any nuclear attack would lead to the end of Kim Jong Un's regime. The event marked the first public display of the Hyunmoo-5 missile, capable of destroying underground bunkers, underscoring South Korea's military advancements amid heightened tensions. Yoon emphasized the resolute alliance with the United States, which maintains a significant military presence in South Korea, and stated that North Korea's nuclear ambitions would face an overwhelming response. North Korea has ramped up its nuclear rhetoric, showcasing its uranium enrichment facilities, and has been warned by South Korea's intelligence service about potential nuclear tests. In response to the show of military strength, North Korea condemned the U.S. flyover and asserted its readiness to defend itself. These developments reflect the deteriorating relations between the two Koreas, with North Korea declaring the South as its 'principal enemy.'