Astana, May 7 -- General Secretary of the Communist Party of Vietnam Central Committee To Lam, his spouse Ngo Phuong Ly, and the high-ranking delegation of Vietnam left Nursultan Nazarbayev International Airport on May 7 afternoon (local time), concluding a three-day state visit to Kazakhstan at the invitation of President Kassym-Jormat Tokayev. The next destination of the Vietnamese Party chief is Azerbaijan, to which he will pay a state visit at the invitation of President Ilham Aliyev. Kazakh Prime Minister Olzhas Bektenov came to Nursultan Nazarbayev International Airport to see off General Secretary Lam, his spouse, and the Vietnamese delegation. During the trip, the Vietnamese leader held talks with Kazakh President Kassym-Jomart To...