The participants in the seminar mourned for the demise of leader Kim Jong Il, the great sage and steadfast anti-imperialist fighter respected by the world, the letter said.

Kim Jong Il, who made an undying contribution to accomplishing the human cause of independence through his outstanding ideological and theoretical activities and with his unique Songun politics, will be alive in the hearts of all the participants, it noted.

The Workers' Party of Korea and the Korean people are now pushing forward the building of a thriving socialist nation despite the vicious blockade of the imperialists, it said, adding this is instilling confidence in victory into the world progressive political parties and peoples struggling for socialism against imperialism.

The letter expressed belief that the WPK and the Korean people would usher in a great heyday of prosperity in 2012 marking the centenary of the birth of President Kim Il Sung under the wise leadership of Kim Jong Un.