North Korea blew up the northern sections of unused Road and rail routes that once linked it with South Korea on Tuesday the rivals have been exchanging threats of Destruction amid rising animosities over North Korea’s claim that South Korea flew drones over its capital South Korea has refused to confirm whether it sent drones but warned it would sternly punish North Korea if the safety of its citizens is threatened North Korean leader Kim Jong-un has vowed to sever relations with South Korea and abandoned the goal of achieving peaceful Korea unification in response to the explosion South Korea’s joint Chiefs of Staff said its military fired warning shots within Southern sections of the Border