Hanoi, May 5 -- General Secretary of the Communist Party of Vietnam Central Committee To Lam, his spouse Ngo Phuong Ly, and a high-ranking delegation of Vietnam left Hanoi at noon on May 5 for state visits to Kazakhstan and Azerbaijan, an official visit to Russia where he will attend the celebration of the 80th anniversary of the Victory of the Great Patriotic War, and then a state visit to Belarus. The visits from May 5 to 12 are made at the invitation of President of Kazakhstan Kassym-Jomart Tokayev, President of Azerbaijan Ilham Aliyev, President of Russia Vladimir Putin, and President of Belarus Aleksandr Lukashenko. The delegation includes Politburo members: Secretary of the Party Central Committee's Secretariat and Chairman of the P...