South Korean President Yoon Suk Yeol on Tuesday warned North Korea that any attempt to use nuclear weapons would be met with a firm and overwhelming response from South Korea and its US allies. Speaking during an Armed Forces Day ceremony at a military base south of Seoul, Yoon said if North Korea attempts to use nuclear weapons, it would face the “resolute and overwhelming response” of its military and the South Korean-US alliance. “That day will be the end of the North Korean regime,” he added. Yoon also denounced North Korea’s “illegal arms trade” with Russia, which he said threatened world…