North Korea’s army said Wednesday it was moving to “permanently shut off and block the southern border” with Seoul and had informed the US military to prevent an accidental clash. In a statement, Pyongyang said it would “cut off roads and railways” that might have someday facilitated travel between the two Koreas.

Pyongyang will sever all road and rail links with its southern neighbour, 'fortify' its side of the border with 'strong defence structures' North Korea's announcement that it will sever all road and rail links with the South marks the first publicised military action to cut physical ties with what Pyongyang now considers a "principal enemy",

North Korea plans to completely cut off all road and rail links to the South, months after ruling out any chance of reunification of the two neighbors. Pyongyang has been fortifying its border defenses since January,