SEOUL, South Korea — North Korean leader Kim Jong Un said the country would not hesitate to use all available offensive forces including nuclear weapons if the enemy attempted to use force to encroach on its sovereignty, state news agency KCNA reported Friday.

Kim criticized South Korean President Yoon Suk Yeol for threatening to end the North Korean regime at a military day event on Tuesday, saying the comment showed which side was destroying regional security and peace.

Kim said Yoon…