General Secretary of the Communist Party of Viet Nam Central Committee and President To Lam had meetings with Ghanaian President John Mahama, Bhutanese Prime Minister Tshering Tobgay, Vatican Secretary of State Cardinal Pietro Parolin, and President of the 81st session of the United Nations General Assembly (UNGA 81) Khalilur Rahman in New York, on September 22 (local time), as part of his trip to attend the high-level general debate of the UNGA 81 and conduct bilateral activities in the US.