Black smoke could still be seen billowing out of the building Tuesday afternoon, more than 13 hours after the first alarm.

ABINGTON TWP., Pa. (WPVI) -- There continues to be an active scene at the site of massive fire at SPS Technologies in Montgomery County as investigators work to figure out what caused the blaze.

A shelter-in-place order​ remains in place and voluntary evacuations have been ordered around the SPS Technologies facility ...