Tom FYI, there was apparently a small explosion in the pedestrian tunnel between the A and 1 trains at 42nd St. Police have closed off sections of the Port Authority station. Possible train and transfer disruptions.

FYI, there was apparently a small explosion in the pedestrian tunnel between the A and 1 trains at 42nd St. Police have closed off sections of the Port Authority station. Possible train and transfer disruptions. Tom The bomb squad has been called in. A secondary device described as a pipe bomb has been located... Update: police sources say it appears to be some kind of bomb that exploded NYPD, PAPD, and NYSP are on scene. The FBI has been notified. Can you guess the description of the suspect?