CTV News Channel
Firefighters work the scene of an explosion and building collapse in the East Harlem neighborhood of New York, Wednesday, March 12, 2014. (AP / Jeremy Sailing)
Phil Hahn, Social Media Producer for CTV National News
On a tablet? Tap here to read this Storify.
Storified by CTVNews.ca· Wed, Mar 12 2014 09:53:58