The FBI is asking for the public's assistance in locating these two unknown individuals.
According to FBI officials, a closed circuit television recordings indicated that these individuals allegedly located a piece of luggage on the sidewalk, removed an improvised explosive device from the luggage, and then left the vicinity leaving the device behind but taking the luggage.
The image shown was taken on West 27th Street between 6th and 7th Avenues in Manhattan between 8 p.m. and 9 p.m., on Saturday, September 17, 2016, in the same hour that an explosive device had detonated on West 23rd Street.
The FBI is interested in speaking to these individuals and recovering the luggage.
If you have any information concerning this case, please contact the FBI's Toll-Free Tipline at 1-800-CALL-FBI (1-800-225-5324), your local FBI office, or the nearest American Embassy or Consulate.