North Korean leader Kim Jong Un reminded his troops to treat South Korea as a hostile foreign enemy and insisted that the North wouldn’t hesitate to attack its rival if the South infringes upon its sovereignty,

North Korean leader Kim Jong Un called South Korea a "foreign country" and rejected the goal of reunification, state media reported Friday, days after Pyongyang blew up sections of roads connecting it with the South.

North Korea blew up roads and railroad tracks on its side of the heavily fortified Demilitarized Zone earlier this week.