BEIJING, Jan. 18 (Xinhua) -- General Secretary of the Communist Party of China (CPC) Central Committee Xi Jinping's special envoy Song Tao will begin his visit to Cuba Sunday.

Song, also head of the International Department of the CPC Central Committee, will update his host on the 19th CPC National Congress during his Cuban trip, the International Department said Thursday.

Song will also lead a CPC delegation to visit Canada.