New York City Mayor Zohran Mamdani announced that his administration is actively investigating the city's legal capacity to arrest Israeli Prime Minister Benjamin Netanyahu should he visit New York for the upcoming United Nations General Assembly (UNGA).
Mamdani, a self-described Democratic socialist, called Netanyahu a "war criminal" in remarks reported by The New York Times, and stated that his administration is engaged in an "active conversation" with the city's Law Department regarding potential legal actions.
These comments raise questions about the extent of a mayor's authority in foreign affairs and whether a city government can pursue legal action against a visiting foreign head of government. The International Criminal Court (ICC) issued arrest warrants for Netanyahu and former Defense Minister Yoav Gallant in November 2024, alleging war crimes and crimes against humanity in connection with Israel's military operations in Gaza. Israel has rejected these allegations and disputes the ICC's jurisdiction. The United States is not a signatory to the Rome Statute, the treaty that established the ICC.
The U.S. Ambassador to the United Nations, Mike Waltz, criticized Mamdani's remarks as "pure political theater," asserting that the mayor lacks the legal authority to arrest Netanyahu. Waltz pointed to the U.N. Headquarters Agreement, which protects visiting heads of government, and stated that federal authority supersedes local mayoral directives.
The UNGA, held annually in New York, draws numerous heads of state and government, presenting unique diplomatic and security considerations for the city. Mamdani's stance on Israel has previously been a point of contention during his mayoral campaign.
Israeli officials have consistently denied allegations that Netanyahu has committed war crimes, maintaining that Israel is acting in self-defense following the Hamas attacks on Oct. 7, 2023.
Mamdani's administration has previously engaged in international affairs, including an instance where the State Department intervened to halt a planned meeting between a senior Mamdani administration official and Iran's U.N. ambassador, emphasizing the federal government's role in conducting U.S. foreign policy.