A 37-story tower in the heart of Midtown Manhattan started buckling from the inside on Tuesday morning, and by midday a huge slice of the neighborhood was locked down.
The building is 235 East 42nd Street, the former Pfizer headquarters, now being gutted and converted into luxury apartments.
Construction workers spotted the first warning signs just before 8 a.m. on July 7, 2026.
They saw cracks inside the building and watched steel support columns begin to bend on the 21st and 22nd floors.
Then the floors above started to sag.
Here is the official word from the fire department on how the call came in.
Just before at 8 a.m. Tuesday, the FDNY received reports of a structural issue at an active construction site on East 42nd Street between 2nd Avenue and 3rd Avenue in Manhattan. The call came in for reported issues at a 37-story building at 235 East 42nd Street that is currently… pic.twitter.com/NavUpNGAJE
— FDNY (@FDNY) July 7, 2026
The FDNY confirmed the trouble started at an active construction site on East 42nd between Second and Third avenues.
Crews were responding to a structural issue at the 37-story tower in the middle of its office-to-residential conversion.
FDNY Chief John Esposito said the steel columns had begun to bend and deflect.
Officials said floors 21 through 26 started caving under the stress.
The good news up front: every worker was accounted for and no injuries were reported.
A construction worker inside the building captured the buckled beams on video, and it is jarring to watch.
Actual footage shot by construction worker Wilmer Nugra inside the building of the buckled beams in Manhattan
This happened this morning (July 7, 2026) at 235 East 42nd Street (between 2nd & 3rd Ave, former Pfizer headquarters, now being converted into luxury apartments).… https://t.co/dXZdKAJ9Fn pic.twitter.com/A9dkVeW5ZU
— cbcwatcher (@cbcwatcher) July 7, 2026
Officials were careful with their language on the danger.
They said the risk was more of a localized collapse than a total collapse, given how the steel-framed building is put together. Nobody was predicting the whole tower would come down.
That distinction did not shrink the response.
The city set up a frozen zone stretching from First to Third avenues between 40th and 45th streets, shutting the area to pedestrians and vehicles.
ABC7 New York reported that the emergency response grew into a major Midtown evacuation, with multiple surrounding buildings cleared as officials worked around the unstable tower.
The evacuation list included 815 Second Avenue, 210 East 43rd, 212 East 43rd, 211 East 43rd, 220 East 42nd, 231 East 43rd, 225 East 43rd, and 235 East 43rd.
The Hampton Inn Manhattan Grand Central at 231 East 43rd was one of the buildings emptied. Kennedy International School at 225 East 43rd was also cleared, and ABC7 said roughly 400 children were there for summer camp.
The outlet reported that stabilization efforts were expected to run into the night, with temporary shoring cleared to move forward after an initial assessment. Officials said the damaged column had moved after crews arrived, and they described the building as unstable and the situation as extremely serious.
ABC7 also reported seven violations between July and December 2025 totaling more than $32,000 in fines, along with at least 22 violations dating back to 2020. That history will make the investigation into what happened inside this conversion project even more important.
The AP confirmed the tower remained unstable through Tuesday after the columns buckled and the floors sagged, forcing evacuations in and around the Midtown construction site.
The building sits near the Chrysler Building and Grand Central, in one of the densest and most high-profile corridors in New York City. AP reported that drones and city officials were checking the building while emergency workers assessed the structure floor by floor.
AP also reported that the building commissioner said crews had not found evidence that anything had come off the structure, despite the initial reports that brought firefighters to the scene around 8 a.m.
The Israeli Consulate at 800 Second Avenue was evacuated as a precaution, and the school and consulate remained cleared out. The mayor said the priority was the safety of people who live and work nearby while crews developed a plan to shore up the compromised floors.
BREAKING: Buckling beams at former Pfizer HQ spark major evacuations in Midtown Manhattan as building is at risk of COLLAPSE
Construction workers noticed cracks inside and spotted structural support beams buckling on the 21st and 22nd floors around 8 a.m. at 235 East 42nd… pic.twitter.com/MYnJpP9m4T
— FreedomNews.Tv FNTV (@FreedomNTV) July 7, 2026
The construction backstory adds to the concern.
Construction Dive reported the conversion is designed by Gensler and developed by Metro Loft alongside Collaborative Construction Management, putting the incident inside one of the city’s most closely watched adaptive-reuse projects.
The project is meant to create 1,600 apartments, and the team has billed it as the largest office-to-residential conversion in New York City history. That means this was not a minor job in an obscure building; it was a marquee conversion in the middle of Manhattan.
Construction Dive reported that engineers were monitoring the buckled columns, cracks, and sagging floors using drones. The trade outlet also spoke with structural expert Joe DiPompeo, who called the failed beams very concerning after watching worker-shot video from inside the site.
DiPompeo said possible causes could include an overloaded area or a crew cutting into a support while doing mechanical, electrical, or plumbing work, but he stressed that the cause had not been established. The city and the project team still have to determine what actually failed.
He also warned that shoring the damaged area would be a major undertaking if the floor above had dropped significantly, which helps explain why officials kept the surrounding streets closed while engineers studied the building from the outside and then floor by floor.
For now, the tower is standing, the streets are frozen, and crews are shoring up steel one floor at a time. It was a close call in the middle of Midtown, and it will take time to know how a building this big started bending from the inside out.
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