New York City's leaders joined victims' families for a solemn 9/11 anniversary ceremony, but one moment involving Mayor Zohran Mamdani quickly drew attention online.
The gathering at Ground Zero marked 25 years since the September 11 attacks, bringing together families, first responders, former presidents, and other prominent figures.
Mamdani's presence was notable before the ceremony even began. Days earlier, some 9/11 families and their supporters had delivered a petition asking him to stay away — and what cameras later captured only intensified the debate.
New York City Mayor Zohran Mamdani greets relatives of 9/11 victims during a ceremony commemorating the 25th anniversary of the September 11th terrorist attacks on the World Trade Center at the National 9/11 Memorial & Museum on September 11, 2026 in New York City. | Source: Getty Images
A Historic Gathering at Ground Zero
The 25th anniversary ceremony centered on the people killed in the September 11, 2001, attacks and the February 26, 1993, World Trade Center bombing.
Relatives read the names of 2,983 men, women, and children who died. Six moments of silence corresponded with the attacks, collapses of the Twin Towers, and the crash of United Airlines Flight 93.
A seventh silence honored those who later died from illnesses linked to 9/11. The anniversary carried another significant reality: Approximately 100 million Americans are now too young to remember September 11.
The National September 11 Memorial & Museum has emphasized remembrance, service, and teaching younger generations about the attacks and their aftermath. There is also a longstanding rule intended to keep the annual ceremony centered on victims and their relatives.
Elected officials do not give speeches. Politicians once read poems and historical documents during the ceremony. Since 2012, however, political figures have not been permitted to address the crowd.
Instead, leaders from different parties stand together while relatives read the victims' names. This year brought an especially unusual gathering of national political figures.
All four living former U.S. presidents — Bill Clinton, George W. Bush, Barack Obama, and Joe Biden — attended with their spouses, Hillary Clinton, Laura Bush, Michelle Obama, and Jill Biden.
Vice President JD Vance, former New York City Mayor Michael Bloomberg, and Mamdani were also among those in attendance alongside victims' families. Yet Mamdani arrived at Ground Zero after facing a highly public effort to keep him away.
More Than 101,000 Signatures Before the Ceremony
Three days before the anniversary, a coalition that included 9/11 family members, first responders, and elected officials gathered outside City Hall to publicly ask Mamdani not to attend.
New York City Council Member Vickie Paladino said organizers were delivering a petition containing more than 101,000 signatures to the mayor's office.
The petition was organized by Giovanni Galante, whose wife, Grace, was killed in the attacks. Organizers said they wanted the anniversary to remain focused on victims, survivors, and their families.
Charles Wolf, who lost his wife on 9/11, was among those who publicly urged the mayor to stay away. "We are asking respectfully that he not show up," Wolf said.
Wolf noted that other politicians would attend, but argued that those officials had worked with families and supported legislation important to them.
Monica Iken, whose husband, Michael, was killed in the attacks, also said she wanted the family's wishes respected during the hours of the private ceremony.
Organizers said their objections concerned Mamdani's policies, political associations, and appointments. Cheri Sparacio, whose husband, Tom, was killed in the South Tower, specifically said the opposition was not about Mamdani's background or faith.
She cited his public actions, including his appointment of chief counsel Ramzi Kassem, who previously represented people accused of terrorism ties. Mamdani nevertheless attended Friday's ceremony. Then came the moment that sent the discussion in a new direction.
Mayor Zohran Mamdani, center, walks into the memorial before the ceremony to commemorate the 25th anniversary of the September 11th terrorist attacks on the World Trade Center. | Source: Getty Images
Cameras Capture Mamdani with AOC
During the reading of victims' names, Mamdani was captured alongside Rep. Alexandria Ocasio-Cortez. A photo shared by the New York Post showed the two apparently laughing together at the ceremony.
Another clip from Ground Zero showed Mamdani and Ocasio-Cortez appearing to laugh while the names were being read. A man nearby could also be seen crying. The footage does not establish what the two politicians were discussing or what prompted their expressions.
Still, the apparent contrast between their interaction and the solemn proceedings around them quickly became a flashpoint online — particularly because of the effort to persuade Mamdani not to attend in the first place.
One user summed up that objection in three short sentences: "Families asked him not to come. He came anyway. Then this." Another person questioned whether the image might have been missing important context but still criticized the appearance of the moment.
"What the hell? I hope this photo was published out of context, but I think not," the user wrote. "Don't these people have the common sense, courtesy and sensitivity to maintain quiet awareness? They may just be greeting each other but a solemn face would be appropriate."
Not everyone agreed that a brief moment of laughter was inappropriate. One person challenged the criticism, writing, "Why? Do u greet people by crying on queue [sic] every time u come across someone at a funeral?"
A similar disagreement unfolded among Facebook users discussing the ceremony. One commenter pointed out, "And Mamdani was photographed laughing with AOC."
Another replied by bringing up a very different interaction involving the mayor: "Also shaking Giuliani's hand, but you probably missed that part. 🙄" The first commenter answered, "No I didn't."
Another user dismissed the criticism surrounding the apparent laughter altogether, writing, "God forbid someone laughs.... The horror." Those exchanges highlighted the sharply different interpretations of a brief moment captured during a ceremony that lasted for hours.
Former New York Mayor Rudy Giuliani and New York Mayor Zohran Mamdani attend a ceremony commemorating the 25th anniversary of the September 11th terrorist attacks on the World Trade Center at the National 9/11 Memorial & Museum on September 11, 2026 in New York City. | Source: Getty Images
They also pointed toward another unexpected image from the anniversary: Mamdani interacting with former New York City Mayor Rudolph Giuliani.
A Handshake Added Another Twist
Mamdani and Giuliani were seen shaking hands during the ceremony, an interaction that became part of the online discussion about the mayor's attendance. The moment offered a notable contrast with the debate surrounding the footage of Mamdani and Ocasio-Cortez.
Rather than one image settling the argument about his conduct at Ground Zero, different moments from the same gathering were being cited by users with opposing views.
The controversy also unfolded against a broader political backdrop surrounding this year's ceremony. While America's four living former presidents attended Ground Zero, the sitting president was not among them.
Donald Trump Marked the Anniversary Elsewhere
President Donald Trump was the one living U.S. president absent from the gathering in Manhattan. Before the anniversary, Trump's team had conducted advance visits at the Memorial, and officials had initially received indications that he intended to attend.
The plans reportedly changed after Trump expressed interest in speaking at the event. Four people familiar with the discussions told The New York Times that Trump's desire to speak contributed to his decision not to attend.
That request ran into the Memorial's longstanding policy barring politicians from addressing the gathering. The absence was especially noticeable because Trump was born in New York City, while Bill Clinton, George W. Bush, Barack Obama, and Joe Biden were together at the site of the fallen towers.
Biden's planned attendance had previously been confirmed on September 2. The White House had not directly answered an earlier question about Trump's Ground Zero plans. Spokeswoman Anna Kelly instead said he would remember those killed, honor their families, and pay tribute to first responders on the anniversary.
Trump was expected to commemorate September 11 at the Pentagon, another site attacked on September 11, 2001. News of his expected absence from Manhattan had also produced blunt reactions online in the days leading up to the ceremony.
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