North Korea said it would permanently block its southern border and build front-line defense structures there. It also vowed to "completely cut off roads and railways" leading to South Korea and "fortify the relevant areas of our side with strong defense structures,

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

North Korea says it will permanently block its border with South Korea and build front-line defense structures to cope with “confrontational hysteria” by South Korean and U.S. forces, while not announ