Officials have observed additional movement at the Midtown Manhattan building, the former headquarters for Pfizer, which is being converted into apartments.

The inquiry, being conducted by the New York City Department of Investigation and the Manhattan district attorney’s office, ...

The ambitious office-to-residential conversion added new construction to an existing building, causing supporting columns to ...

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

Two columns buckled and floors sagged in the former Pfizer headquarters in Midtown during an apartment conversion.