Asean member states should remain united in the pursuit of a nuclear weapon-free zone in South-East Asia, said Foreign Minister Datuk Seri Mohamad Hasan at the South-East Asia Nuclear Weapon-Free Zone (SEANWFZ) Commission meeting on Tuesday (July 8 ). br br The world now faces new dimensions of nuclear war involving advancements in artificial intelligence (AI), cyber-warfare and quantum computing, he added.br br He also said Timor-Leste’s accession to the South-East Asia Nuclear Weapon-Free Zone (SEANWFZ) Treaty by October will expand the geographical scope of a nuclear-free region.