NYC Mayor Admits He Can't Arrest Netanyahu, Calls Him a War Criminal Anyway

What Mamdani Actually Said

In a video posted to X on Tuesday night, Mamdani confirmed what legal observers had been saying for weeks: New York City does not have the independent legal authority to enforce an International Criminal Court arrest warrant. "My administration has reviewed every avenue available under applicable law," he said, according to both NPR and the Guardian. The conclusion was clear. The city can't do it.

What the city can do, apparently, is make its feelings known at length. "Benjamin Netanyahu is a war criminal, the architect of a horrific genocide against the Palestinian people," Mamdani said in the video. He added that Netanyahu is "not welcome in New York City, nor is any other war criminal at large." Strongly worded. Legally unenforceable. Very much on brand for this particular mayor.

Mamdani did not leave it at a scolding. He turned the rhetorical gun on Washington, calling on the federal government to join the ICC and execute the warrant itself. "The federal government, however, does" have the authority to act, he said, per the Guardian. The federal government, for what it's worth, has given absolutely no indication it plans to do anything of the sort.

How We Got Here

This whole saga starts with the ICC, which issued arrest warrants for Netanyahu and former Israeli Defense Minister Yoav Gallant in 2024. The court found reason to believe the two men used "starvation as a method of warfare" by restricting humanitarian aid into Gaza and intentionally targeted civilians during Israel's military campaign against Hamas, according to NPR. Israeli officials have denied those charges.

Mamdani made arresting Netanyahu a campaign promise during his mayoral run last year and stuck to it after winning. Earlier this month, he told the New York Times that he and the city's legal department were actively exploring whether they could arrest Netanyahu during the Israeli prime minister's expected visit to New York for the United Nations General Assembly in September. That review is now complete. The answer was no.

Netanyahu's response to all of this, per the Guardian, was that he's "not concerned" about Mamdani's comments. Hard to tell if that's genuine confidence or just the only thing you can say when a mayor of a city you're planning to visit has called you a war criminal on social media.

Trump Steps In to Protect His Guy

Before Mamdani even posted his Tuesday video, President Donald Trump had already weighed in. In a social media post on Monday, Trump told Netanyahu directly that he "will not be arrested, in any way, shape, or form, while in the United States of America," according to NPR. The post did not mention Mamdani by name, but the audience was not hard to identify.

Trump framed Netanyahu as someone "fighting against the Islamic Republic of Iran" and suggested the people who should actually be arrested are "the people that led Iran into this unprecedented spiral of death and destruction." This is the sitting president of the United States publicly promising a foreign leader immunity from a war crimes warrant on American soil. Just a normal Monday.

The US does not recognize the ICC's jurisdiction and is not a signatory to the Rome Statute that created it, as the Guardian notes. So Trump's position is legally consistent with longstanding American policy, even if the framing of a personal social media guarantee to Netanyahu is its own special flavor of strange.

Israel's Ambassador Has Thoughts

Danny Danon, Israel's ambassador to the United Nations, did not take the high road. In a social media statement responding to Mamdani, he told the mayor: "You were elected to serve New Yorkers, not Hamas' propaganda. Do your job!" according to NPR.

It's a pointed line, and Danon clearly wrote it to sting. Whether calling a sitting mayor a Hamas propagandist for citing an ICC warrant constitutes productive diplomatic communication is a question the Israeli foreign ministry does not appear to be asking itself right now. Mamdani, for his part, does not seem particularly moved by the criticism.

What Happens in September

Netanyahu is expected to attend the United Nations General Assembly in New York in September. Heads of state attending the UN General Assembly typically travel under a thick layer of diplomatic protections that make arrests extraordinarily complicated regardless of any outstanding warrants.

Mamdani has now publicly declared that Netanyahu is "not welcome" in the city, that the federal government should arrest him, and that he believes the ICC warrant is fully justified. None of that changes the practical reality that Netanyahu will almost certainly arrive, deliver his speech, and leave without incident, with Trump's personal guarantee functioning as more practical protection than any legal argument.

The whole episode has clarified one thing cleanly: Mamdani is willing to go further on the ICC warrant question than any other sitting American mayor, and probably further than any elected official in the country. Whether that translates into anything beyond forceful statements is a question September will answer.