Fire was the primary cause of the collapse of World Trade Center Building 7 in New York City, according to a federal agency.

He also was involved in such notable projects as a new master plan for the National Mall in Washington, D.C. and an expansion of Dulles International Airport in Virginia.

David Childs, lead architect of the skyscraper that rose from the site where the Twin Towers collapsed in New York City during the 9/11 attacks, has died.

(AP Photo/Gregory Bull, file) David Childs, the lead architect of the One World Trade Center skyscraper that rose from the site where the Twin Towers collapsed in New York City during the 9/11 ...

On conservative host Benny Johnson’s show Monday, the senator resurrected a debunked assertion that a building in the center ...

David Childs, the lead architect of the One World Trade Center skyscraper that rose from the site where the Twin Towers collapsed in New York City during the 9/11 attacks, has died. He was 83.