1/14Crime scene investigators work at the scene of Saturday's explosion in Manhattan's Chelsea neighborhood, in New York, Sept. 18, 2016.
2/14A view of a mangled construction toolbox at the site of an explosion in the Chelsea neighborhood of New York, Sept. 18, 2016.
3/14Members of the FBI and other law enforcement officers carry on investigations at the scene of Saturday's explosion in New York, Sept. 18, 2016.
4/14A New York City Police Department (NYPD) truck tows a spherical chamber carrying a second explosive device from near the site of an explosion in the Chelsea neighborhood of Manhattan, New York, Sept. 18, 2016.
5/14People try to access the area near the scene of an explosion on West 23rd Street and 6th Avenue in Manhattan's Chelsea neighborhood in New York, Sept. 18, 2016.
6/14Police officers look for suspicious packages along Fifth Avenue near the scene of an explosion on West 23rd Street and 6th Avenue in Manhattan's Chelsea neighborhood in New York, Sept. 18, 2016.
7/14New York City firefighters stand near the site of an explosion in the Chelsea neighborhood of Manhattan, Sept. 17, 2016.
8/14A fire crew works at the scene of an explosion in New York's Manhattan borough, Sept. 17, 2016. (C. Mendoza/VOA)
9/14A police officer gives instructions to a passer-by as other police and fire crews work near the scene of an explosion in Manhattan's Chelsea neighborhood, Sept. 17, 2016. (C. Mendoza/VOA)
10/14Onlookers stand behind a police cordon near the site of an explosion in the Chelsea neighborhood of Manhattan, New York, Sept. 17, 2016.
11/14Mayor Bill de Blasio, center, and NYPD Chief of Department James O'Neill, left, react during a press conference near the scene of an explosion on West 23rd street in Manhattan's Chelsea neighborhood, in New York, Sept. 17, 2016.
12/14New York City firefighters use a wheeled stretcher to carry supplies near the site of an explosion in the Chelsea neighborhood of Manhattan, New York, Sept. 17, 2016.
13/14Police and fire teams converged on an area in the Chelsea neighborhood of Manhattan, N.Y., after an explosion was touched off, Sept. 17, 2016. (E. Sarai/VOA)
14/14Police and firefighters work near to the scene of explosion in Manhattan, New York, Sept. 17, 2016. Police spokesman J. Peter Donald said on Twitter that the explosion happened at about 8:30 p.m. on West 23rd Street in the Chelsea section of Manhattan.
