BEIJING, Sept. 18 (Xinhua) -- Chinese Premier Li Keqiang left here on Sunday afternoon for attending the 71st session of the United Nations General Assembly and official visits to Canada and Cuba, accompanied by his wife Cheng Hong.

Li's trip, from Sept. 18 to 28, was at the invitation of UN Secretary-General Ban Ki-moon, Canadian Prime Minister Justin Trudeau, and President of the Cuban Council of State and Council of Ministers Raul Castro Ruz, respectively, according to the foreign ministry.