Hanoi, April 13 -- Vietnamese Ambassador to Austria Vu Le Thai Hoang has attended an international seminar on the Treaty on the Non-Proliferation of Nuclear Weapons (NPT) in Vienna, reaffirming that the NPT remains the foundation of the international security architecture. The April 10 event drew a wide range of representatives from member states, international organisations, and experts. Co-organised by the missions of Austria, Kazakhstan, and Switzerland, it served as a platform for discussions ahead of the 11th NPT Review Conference, scheduled for late April in New York. In his address, Hoang emphasised the necessity of strengthening trust among member states and maintaining a balance between the treaty's three pillars: non-proliferati...