North Korea’s army said it will take a “substantial military step” to completely cut off its territory from South Korea on Wednesday, after months of fortifying its heavily armed border.

North Korea will sever road and railway access to South Korea from Wednesday in a bid to “completely separate” the two countries. Its military said the North would “permanently shut off and block the southern border” and fortify areas on its side.

The communist regime of North Korea announced it would seek to “completely separate” itself from South Korea. The country will formally restrict roads and railways to its southern neighbor, North Korea’s military declared and called it a “self-defensive measure for inhibiting war.