Pyongyang, December 20 (KCNA) -- The South Headquarters of the Pan-national Alliance for Korea's Reunification released a message of condolences on Dec. 19, on the demise of leader Kim Jong Il.

The organization in the message said they can hardly keep back great sorrow upon the sad news that he passed away from a sudden disease.

The chairman of the DPRK National Defence Commission glorified the three charters for national reunification President Kim Il Sung provided in the spirit of national independence and patriotism and ushered in the rosy June 15 era of reunification under the uplifted banner of "By our nation itself", thus performing great feats for the Koreans, it added.

The news of his demise was so shocking to the south Koreans who held out hope to reunification, the organization said, expressing deep condolences over his demise in the bitterest grief reflecting the feelings of all the pro-reunification patriotic Koreans.