Crews used a technique called “tripping” to remove the support structures, causing part of the building to fall.

Demolition is expected to take place on Friday of a parking garage that partially collapsed earlier this week in Philadelphia ...

Videos posted on Facebook of the controlled demolition of the highest section of the former Appvion paper mill in Roaring Spring on Friday caused alarm among individuals who didn’t realize the ...

Philadelphia is mourning the loss of ironworkers after a partial garage collapse, with demolition of the site scheduled and ...