Chelsea, sidewalk shed

Dramatic video shows the moment the structure crumbled on 29th Street near Eighth Avenue in Chelsea and injured the ...
According to the New York Department of Buildings, a truck caused the structure to collapse when it crashed into it.
The DOB also says it issued a permit for the sidewalk shed back in October, but there is no permit for work at that location, which would need the shed.
Dramatic video shows the moment a sidewalk shed collapsed and injured three people in Manhattan. CBS News New York's Dave ...