On 26 May 2026, H.E. Mr. Sihasak Phuangketkeow, Deputy Prime Minister and Minister of Foreign Affairs, visited New York to attend the United Nations Security Council (UNSC) open debate on “Upholding the Purposes and Principles of the UN Charter and Strengthening the UN-Centered International System” under the agenda item “Maintenance of international peace and security” at the United Nations Headquarters.

During the open debate, Member States reaffirmed the importance of upholding the purposes and principles of the UN Charter and strengthening a UN-centered international system amid growing geopolitical tensions and global challenges. Particular emphasis was placed on advancing UN reform, including efforts to enhance the effectiveness, credibility and representativeness of the United Nations, promoting the complementary role of regional organizations in maintaining international peace and security, and enhancing development cooperation and international partnerships as foundations for peace and sustainable development. In this regard, the Secretary-General of the United Nations stressed that the UN Charter remains the foundation of the international order and called on all Member States to recommit to dialogue, cooperation and the peaceful settlement of disputes.

On this occasion, the Deputy Prime Minister and Minister of Foreign Affairs also held bilateral meetings with high-level representatives from participating Member States, namely (1) the U.S. Assistant Secretary of State for East Asian and Pacific Affairs, (2) the Minister of Foreign Affairs of China, (3) the Minister of Foreign Affairs of Costa Rica, and (4) the Deputy Prime Minister and Minister of Foreign Affairs and International Cooperation of Cambodia. All parties agreed to further promote cooperation in areas of mutual interest, including economic cooperation, security, and multilateral cooperation. They also exchanged views on regional developments and key international issues of mutual interest, while reaffirming their commitment to promoting peace, stability and constructive cooperation in the region.

The participation of the Deputy Prime Minister and Minister of Foreign Affairs in the open debate and bilateral engagements reflected Thailand’s proactive role in joining the conversation to determine the direction for advancing international cooperation, strengthening relations with partner countries, and supporting a UN-centered international system amid growing geopolitical challenges.