dead in New York building collapse Mamdani expands probe to sites. A Brooklyn apartment building collapsed, killing eight people and injuring at least 18. Mayor Zohran Mamdani expanded inspections to more than 100 sites linked to nearby excavation companies. New York City Mayor Zohran Mamdani said city officials would commence sweeps of 100 construction sites after eight people died in the collapse of a three-story Brooklyn apartment building.