South Korean President Yoon Suk-yeol described North Korea's provocations as "illegal", stressing that they would eventually lead to a deadly war between the two countries.
In an interview with the 'Associated Press', South Korean President added that Pyongyang's provocations prompted Seoul to strengthen its defenses and security partnerships with Washington and Tokyo.
Moreover, he pointed out that North Korea's nuclear arsenal poses a threat to the security of South Korea, Japan and the United States (US).