He was in the Thai capital to attend the Meeting of the Southeast Asia Nuclear Weapon-Free Zone (SEANWFZ) Commission, as part of the 52nd ASEAN Foreign Ministers' Meeting (AMM-52). In his remarks at the meeting, the Vietnamese Deputy PM highlighted the commission's significant role in ensuring the absence of nuclear arms and weapons of mass destruction in the region.
He called for greater efforts from ASEAN to remove barriers to enable five states with nuclear weapons to sign the Protocol to the SEANWFZ Treaty.