Four people are hurt and a suspected suicide bomber is in custody following a pipe bomb explosion at New York's Port Authority Bus Terminal. Police say he had wires attached to his body and that his bomb either went off prematurely or malfunctioned shortly before 7:30 local time this morning inside an entrance to a subway platform. NBC says the suspect sustained a minor injury. The incident has triggered a massive police response, subway evacuation and service suspension at the one of the busiest transit hubs in the nation. The FBI's Joint Terrorism Task Force is working with police on establishing the bomber's motive.
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