The heart of Midtown Manhattan became the center of a dramatic structural emergency on Tuesday, as a high-rise under construction faced the threat of collapse. The building, a former Pfizer headquarters, is being transformed into luxury apartments, a project that has now been halted due to the sudden buckling of critical structural columns.
The crisis began early Tuesday morning when construction workers noticed the buckling columns. Firefighters were called to the scene around 8 a.m., leading to the evacuation of seven nearby buildings, including a school, diplomatic offices, and several hotels. Mayor Zohran Mamdani described the situation as “an extremely serious situation,” underscoring the gravity of the event.
The Building’s Structural Integrity at Risk
The building, constructed in the 1970s, is being converted into more than 1,600 residential units, making it the largest office-to-residential conversion project in New York City’s history. The architectural firm Gensler is leading the project, which involves adding more than a dozen stories to the existing structure.
By Tuesday evening, emergency repairs were underway, with workers shoring up the damaged columns. Ahmed Tigani, commissioner of the New York City Department of Buildings, reported that the building had been monitored for many hours without any further movement. “We’ve been monitoring the building for many hours and have not seen any movement,” Tigani stated during a news conference.
The Evacuation and Public Response
The evacuation of nearby buildings, including the Israeli consulate and a school, caused significant disruption in the busy Midtown area. Residents and tourists alike were affected, with some expressing fear and uncertainty. Ramesh Yallappa, a tourist evacuated from a nearby hotel, recalled the moment of panic: “That moment, we were really really scared.”
By nighttime, residents were allowed to return to several of the evacuated buildings, but the former Pfizer building remained closed except for construction workers. The building’s location near iconic landmarks such as the Chrysler Building and the United Nations headquarters added to the urgency of the situation.
Investigation and Future Repairs
The cause of the structural damage remains under investigation. Nathan Berman, founder of MetroLoft, the project developer, suggested that the added weight from widening the top 15 floors might have contributed to the buckling of the two columns. “Why those particular two columns and nothing else? We don’t know,” Berman told The Wall Street Journal, emphasizing the need for further investigation.
Experts have weighed in on the necessary repairs. Emily Guglielmo, a structural engineer, stated that the buckled columns are likely not repairable and will need to be removed and replaced. “A lot of these things — cracking, deflections, sagging — those elements are probably not salvageable,” she explained. Abi Aghayere, a professor of structural engineering at Drexel University, suggested that shoring up the structure with temporary scaffolding would be a short-term solution.
The long-term repairs will be extensive and costly, requiring rigorous analysis and careful planning. The building’s age and the complexity of the conversion project add to the challenges faced by the developers and engineers.
The incident has raised questions about the safety and integrity of older buildings undergoing major renovations. As the investigation continues, the focus remains on ensuring the stability of the structure and the safety of the surrounding community.

