Udon Thani, May 27 -- General Secretary of the Communist Party of Vietnam (CPV) Central Committee and State President To Lam, his spouse Ngo Phuong Ly, and a high-ranking Vietnamese delegation arrived at Udon Thani International Airport in Udon Thani province on May 27 afternoon, beginning their three-day official visit to Thailand. The visit is made at the invitation of Thai Prime Minister Anutin Charnvirakul and his spouse. Welcoming General Secretary and President Lam, his spouse, and the Vietnamese delegation at the airport were Thai Deputy Minister of Agriculture and Cooperatives Watcharaphon Khaokham, leaders of Udon Thani province, Vietnamese Ambassador to Thailand Pham Viet Hung, Vietnamese Consul General in Khon Kaen Dinh Hoang L...