Destroyed houses are seen after they were hit by artillery shells fired by the DPRK on Yeonpyeong Island Nov 24, 2010. The ROK warned the DPRK of "enormous retaliation" if it took more aggressive steps after Pyongyang fired scores of artillery shells at an island of the ROK on Tuesday. [Photo/Agencies]
Destroyed houses are seen after they were hit by artillery shells fired by the DPRK on Yeonpyeong Island Nov 24, 2010. [Photo/Agencies]