New York City has bet heavily on converting aging office buildings into apartments to help ease a housing shortage. But the threat of a partial collapse Tuesday by one such conversion in progress highlighted the significant challenges of those construction projects.

Several buildings in Midtown Manhattan were evacuated Tuesday morning after officials discovered buckling support beams in a former office building that is being converted to…

"Video shows two columns buckled inside a Midtown building under construction. Dozens were evacuated..."

Edifício que era a sede da Pfizer está sendo transformado em residencial e apresentou graves problemas

"It will be reskinned, everything will be leveled..."

Building that was Pfizer's headquarters is being converted to residential and has shown serious problems