Nearly 130 heads of state and government are gathering in New York for the UN General Assembly to address global conflicts, energy security, and international diplomacy.

Key facts
- •Nearly 130 heads of state and government are attending the three-day UN General Assembly high-level debate.
- •US President Donald Trump is scheduled to hold meetings with Ukrainian President Volodymyr Zelensky, British Prime Minister Andy Burnham, and Japanese Prime Minister Sanae Takaichi.
- •Taoiseach Micheál Martin has scheduled meetings with UN Secretary General António Guterres, New York Governor Kathy Hochul, and Mayor Zohran Mamdani.
- •Benjamin Netanyahu is set to address the UN General Assembly on Thursday at 2 p.m.
- •Mayor Zohran Mamdani previously investigated the possibility of arresting Mr. Netanyahu in July but concluded he lacked the legal standing to do so.
The United Nations General Assembly has commenced its high-level general debate in New York, with nearly 130 heads of state and government scheduled to deliver national statements over the next three days. The assembly's agenda is expected to be dominated by the ongoing wars in Ukraine and Iran, the development of artificial intelligence, and broader pressures on the international system.
Diplomatic Engagements and Gaza Peace Efforts
Taoiseach Micheál Martin is participating in several bilateral meetings and events focused on the Middle East, including a session of the 'Global Alliance for the Implementation of the Two-State Solution.' This group aims to support a permanent ceasefire in Gaza and advance a two-state solution. Additionally, Mr. Martin is scheduled to attend an event hosted by French President Emmanuel Macron, Canadian Prime Minister Mark Carney, and British Prime Minister Andy Burnham to mark the anniversary of a Gaza peace plan.
Ukraine Conflict and Energy Security Discussions
French President Emmanuel Macron and US President Donald Trump held discussions regarding the conflict in Ukraine, focusing on the need to strengthen Ukrainian defenses through interceptors. Mr. Macron indicated that he and Mr. Trump explored the possibility of a moratorium on strikes against the energy sector between Ukraine and Russia. Mr. Macron plans to discuss this proposal further with Ukrainian President Volodymyr Zelensky.
Netanyahu Visit and Local Political Controversy
Israeli Prime Minister Benjamin Netanyahu is scheduled to arrive in New York on Thursday to address the UN General Assembly at 2 p.m. before returning to Israel. His visit, which was originally intended to be longer, has been shortened. New York City Mayor Zohran Mamdani has publicly stated that he believes an International Criminal Court arrest warrant for Mr. Netanyahu should be honored, though he acknowledged he lacks the legal authority to execute such an arrest himself.
Timeline
- July 2026New York City Mayor Zohran Mamdani investigated the possibility of arresting Benjamin Netanyahu following an ICC warrant.
- September 21, 2026US President Donald Trump and Mayor Zohran Mamdani met at Gracie Mansion.
- ThursdayBenjamin Netanyahu is scheduled to arrive in New York and address the UN General Assembly.
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This article was independently rewritten by ManyPress editorial AI from reporting originally published by RTE News, Jerusalem Post.

