The Latest: Trains resuming service after explosives found

The Latest on a suspicious device found near a train station in New Jersey (all times local):

6 a.m.

Commuter trains are resuming service after one of five devices found in a backpack near a New Jersey train station exploded while a bomb squad robot was attempting to disarm it.

New Jersey Transit says Northeast Corridor and North Jersey Coast Line trains began rolling at 5:30 a.m. Monday. However passengers should expect delays. Port Authority Trans-Hudson trains, ferries and buses are honoring those rail tickets.

Amtrak's Northeast Corridor service is operating on a modified schedule. Elizabeth Mayor Christian Bollwage said the device exploded shortly after 12:30 a.m. Monday. The FBI was working to disarm the other four devices.

There were no reports of injuries.

Two men reported seeing wires and a pipe coming out of a package after finding it near the Elizabeth train station at around 8:30 p.m. Sunday.

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1:30 a.m.

A New Jersey mayor says one of five devices found in a backpack near a train station has exploded while a bomb squad robot was attempting to disarm it.

Elizabeth Mayor Christian Bollwage said that the device exploded shortly after 12:30 a.m. Monday. The FBI was leading the investigation and working to disarm the other four devices.

There were no reports of injuries. Bollwage said to expect more detonations.

Bollwage said two men called police and reported seeing wires and a pipe coming out of a package after finding it around 8:30 p.m. Sunday.

New Jersey Transit says service has been suspended between Newark Liberty Airport and Elizabeth. New York's emergency management department says that New Jersey-bound Amtrak trains are being held at New York Penn Station.

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1 a.m.

There has been a loud explosion in the area of the scene of a police investigation of a suspicious device found near at New Jersey train station.

Reporters for NJ.com and NBC reported the blast shortly after 12:30 a.m. Monday.

Law enforcement had been examining a device near the Elizabeth train station.

Elizabeth Mayor Christian Bollwage says two men called police and reported seeing wires and a pipe coming out of the package after finding it at about 8:30 p.m. Sunday.

Bollwage says the Union County bomb squad's robotic device indicated the package the men left near the train trestle could be a live bomb. He says the FBI and state police will decide how to remove the device. It wasn't immediately known if the blast was part of a controlled explosion.

New Jersey Transit says service has been suspended between Newark Liberty Airport and Elizabeth. New York's emergency management department says that New Jersey-bound Amtrak trains are being held at New York Penn Station.

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12:46 a.m.

Investigators are examining a suspicious device found in a trash can near a New Jersey train station, and service on the busy Northeast Corridor line has been suspended.

Elizabeth Mayor Christian Bollwage says two men called police and reported seeing wires and a pipe coming out of the package after finding it at about 9:30 p.m. Sunday.

Bollwage says the Union County bomb squad's robotic device indicated the package the men left near the train trestle could be a live bomb. He says the FBI and state police will decide how to remove the device.

New Jersey Transit says service has been suspended between Newark Liberty Airport and Elizabeth. New York's emergency management department says that New Jersey-bound Amtrak trains are being held at New York Penn Station.

A message left with the FBI wasn't immediately returned.

The discovery of the suspicious package comes a day after an explosion in Manhattan injured 29 people, and an unexploded pressure-cooker device was found four blocks away.