Broadcast news is reporting that a man wearing a suicide vest was injured when the device malfunctioned prematurely at the New York City Port Authority. From Fox News;
NYPD and the FDNY confirmed to Fox News they are investigating reports of an explosion “of an unknown origin” near 42nd Street and Eighth Avenue. Police tweeted A, C, E subways lines are being evacuated.
It’s unclear if there are any injuries at this time. Several people wrote on social media there was mass chaos at the bus terminal, some saying there was a “stampede” when an explosion was heard.
From ABC6;
Sources tell ABC News a possible pipe bomb was detonated in passageway below ground at the Port Authority.
One person has been taken into custody, sources say.
There have been few injuries, police say. Police believe the situation has been contained
The New York Post says this is the bomber;

The man – a 27-year-old who lived in Brooklyn and is possibly of Bangladesh origin – had wires attached to him and a five-inch metal pipe bomb and battery pack strapped to his mid-section as he walked through the Manhattan transit hub, sources said.
The man partially detonated the device, which he was carrying under the right side of his jacket, prematurely inside the passageway to the A, C, and E trains at 8th Avenue and W. 42ndStreet at around 7:40 a.m., sources said.
Police took the man into custody.



