CBS Sources: Video Surveillance Shows Moments Before BombingFriends Read FreeSaveThe New York Police Department and the fire department investigate a potential bomb threat on 27th Street in the Chelsea neighborhood of Manhattan on Sept. 19, 2016. (Benjamin Chasteen/Epoch Times)By Chika Dunu9/19/2016Updated: 5/7/2017PrintREAD MORENew Jersey Explosion: 3 Pipe-Bomb-Type Devices Found