North Korea has been digging many underground tunnels for the large scaled sneak attacking South through the tunnels. Now Korean civilians are afraid of their government's non-response to the civilians' discovered tunnels(ddanggul) at urban area of their capital city Seoul.
According to sources, a number of underground tunnels have been already ready for military attacking to US military base wherein US citizens have their residency, Yongsan.
You can check the story at http://www.ddanggul.com .
What is your counterplan on this dreadful disaster to be occured within very near time frame?