The Brief A vacant building collapsed during a construction project Thursday in Mount Vernon, New York. The vacant building at 16 North Bond Street "suffered a total structural collapse," Mount Vernon officials said. A building under construction collapsed Thursday in Mount Vernon, New York. Two adjoining apartment buildings at 14 and 18 North Bond Street were evacuated, but residents have since been allowed back inside. North Bond Street was closed between Oak Street and Mount Vernon Avenue due to the debris.