On 27–28 April, Deputy Minister of Foreign Affairs of Ukraine Olexandr Mischenko, who heads the Ukrainian delegation to the 2026 Review Conference of the Treaty on the Non-Proliferation of Nuclear Weapons (NPT) in New York, held a number of high-level engagements on the margins of the event, including meetings with UN leadership and 18 bilateral meetings.
In addition to a meeting with the Secretary-General of the United Nations, António Guterres, the Ukrainian diplomat held talks with the UN Under-Secretary-General and High Representative for Disarmament Affairs, Izumi Nakamitsu. The parties discussed current threats to international non-proliferation regimes and global security. Olexandr Mischenko informed his interlocutor about the use by the Russian Federation of hazardous chemical agents against Ukraine’s security and defence forces. In this context, he underscored the importance of establishing an attribution mechanism within the Organisation for the Prohibition of Chemical Weapons. He also drew particular attention to the situation in the field of nuclear safety and security, including in the context of Russia’s attacks against Ukraine’s energy infrastructure and the occupation of the Zaporizhzhia Nuclear Power Plant.
Olexandr Mischenko also had a brief exchange with the Federal Minister for Foreign Affairs of Germany, Johann Wadephul, focusing on Germany’s continued support for Ukraine.
On the margins of the NPT Review Conference in New York, Olexandr Mischenko held bilateral meetings with Minister for Europe, North America and Overseas Territories of the United Kingdom Stephen Doughty, Permanent Representative of the United States to the United Nations Michael Waltz, Deputy Minister of Foreign Affairs of the Republic of Korea Jeong Yeondoo, Deputy Minister of Foreign Affairs of Austria Nikolaus Marschik, Deputy Minister of Foreign Affairs of Poland Robert Kupiecki, Assistant Minister for Foreign Affairs and Trade of Australia Matt Thistlethwaite, Deputy Minister of Foreign Affairs of the Netherlands Marcel de Vink, State Secretary of the Ministry of Foreign Affairs of Latvia Andžejs Vilumsons, Deputy Minister of Foreign Affairs of Türkiye Zeki Levent Gümrükçü, State Secretary of the Ministry for Foreign Affairs of Sweden Dag Hartelius, State Secretary of the Ministry of Foreign Affairs of Norway Eivind Vad Petersson, State Secretary of the Ministry of Foreign Affairs of Romania Ana Tinca, State Secretary of the Ministry of Foreign and European Affairs of Slovakia Marek Eštok, Permanent State Secretary of the Ministry for Foreign Affairs of Finland Jukka Salovaara, EU Special Envoy for Disarmament and Non-Proliferation Stephan Klement, NATO Secretary General’s Adviser for Political Affairs and Security Policy Boris Ruge, and Permanent Representative of the Republic of Moldova to the United Nations Gheorghe Leuca.
During the meetings, the Ukrainian side provided detailed briefings on the Russian Federation’s systematic attacks against Ukraine’s civilian infrastructure and energy system, as well as the situation surrounding the temporarily occupied Zaporizhzhia Nuclear Power Plant and the related threats to nuclear safety.
The parties discussed key issues of the bilateral agenda and international security. Particular attention was paid to supporting Ukraine in countering Russian aggression, strengthening sanctions pressure on the Russian Federation, ensuring accountability for crimes committed, as well as advancing efforts aimed at achieving a comprehensive, just and lasting peace in Ukraine.
Special emphasis was also placed on further strengthening Ukraine’s defence capabilities, expanding military-technical cooperation, and implementing key international security initiatives of Ukraine.
As a result of the bilateral meetings, the parties reaffirmed their readiness to continue coordinating efforts to strengthen international support for Ukraine, including in the context of preparations for the Ukraine Recovery Conference 2026 in Gdańsk, increasing sanctions pressure on the Russian Federation, holding the aggressor state accountable, and advancing initiatives aimed at restoring security, ensuring sustainable development, and achieving a comprehensive, just and lasting peace in Ukraine.