A Gothamist review of city-approved plans show that columns below a major expansion of the existing structure were to be reinforced.

Engineer Christopher Behan said reinforcing steel was never installed, despite plans that explicitly called for it.

The ambitious office-to-residential conversion added new construction to an existing building, causing supporting columns to buckle and steel beams to bend.

New York City has bet heavily on converting aging office buildings into apartments to help ease a housing shortage. But the ...

Construction crews worked all Wednesday to prop up the Manhattan high-rise that suddenly buckled — but what caused the ...

A 37-story former Pfizer headquarters in Manhattan faced structural issues during its conversion into apartments, leading to ...

Crews are making progress in their effort to stabilize an under-construction Midtown Manhattan building that was evacuated ...

Two columns on the 21st floor of a building under construction in Manhattan buckled Tuesday morning, triggering a slate of street closures and a large emergency response, according to the FDNY. The ...