New York police reports possible explosion on Manhattan subway

NEW YORK (Reuters) - An explosion rocked New York's Port Authority, one of the city's busiest commuter hubs, on Monday morning and police said one suspect was injured and in custody but that no-one else was hurt in the rush-hour incident.

Police confirmed one person was in custody but were not yet identifying the device used. Local news channel WABC cited police sources as saying a possible pipe bomb detonated in a passageway below ground at Port Authority and WPIX cited sources as saying a man with a "possible second device" has been detained in the subway tunnel.

The bus terminal was temporarily closed, the Port Authority of New York and New Jersey said in a Twitter statement.

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NEW YORK, USA - DECEMBER 11 : A New York Police Department (NYPD) officer chats with citizens after blocking a road with 'Do Not Cross' tapes after an explosion occured at the Port Authority Bus Terminal in New York, United States on December 11, 2017. (Photo by Ertugrul Cingil/Anadolu Agency/Getty Images)
NEW YORK, USA - DECEMBER 11 : A New York Police Department (NYPD) officer allows a girl through 'Do Not Cross' taped street after an explosion occured at the Port Authority Bus Terminal in New York, United States on December 11, 2017. (Photo by Ertugrul Cingil/Anadolu Agency/Getty Images)
NEW YORK, USA - DECEMBER 11 : New York Police Department (NYPD) officers take security measures after an explosion occured in New York, United States on December 11, 2017. (Photo by Ertugrul Cingil/Anadolu Agency/Getty Images)
NEW YORK, USA - DECEMBER 11 : A New York Police Department (NYPD) officer chats with a girl after blocking a road with 'Do Not Cross' tapes after an explosion occured at the Port Authority Bus Terminal in New York, United States on December 11, 2017. (Photo by Ertugrul Cingil/Anadolu Agency/Getty Images)
NEW YORK, USA - DECEMBER 11 : New York Police Department (NYPD) officers take security measures after an explosion occured in New York, United States on December 11, 2017. (Photo by Ertugrul Cingil/Anadolu Agency/Getty Images)
NEW YORK, USA - DECEMBER 11 : New York Police Department (NYPD) officers take security measures after an explosion occured in New York, United States on December 11, 2017. (Photo by Ertugrul Cingil/Anadolu Agency/Getty Images)
NEW YORK, USA - DECEMBER 11 : New York Police Department (NYPD) officers take security measures after an explosion occured in New York, United States on December 11, 2017. (Photo by Ertugrul Cingil/Anadolu Agency/Getty Images)
NEW YORK, USA - DECEMBER 11 : New York Police Department (NYPD) officers take security measures after an explosion occured in New York, United States on December 11, 2017. (Photo by Ertugrul Cingil/Anadolu Agency/Getty Images)
NEW YORK, USA - DECEMBER 11 : New York Police Department (NYPD) officers take security measures after an explosion occured in New York, United States on December 11, 2017. (Photo by Ertugrul Cingil/Anadolu Agency/Getty Images)
FBI and police respond to a reported explosion at the Port Authority Bus Terminal on December 11, 2017 in New York. New York police said Monday that they were investigating an explosion of 'unknown origin' in busy downtown Manhattan, and that people were being evacuated. Media reports said at least one person had been detained after the blast near the Port Authority transit terminal, close to Times Square.Early media reports said the blast came from a pipe bomb, and that several people were injured. / AFP PHOTO / Bryan R. Smith (Photo credit should read BRYAN R. SMITH/AFP/Getty Images)
FBI and police respond to a reported explosion at the Port Authority Bus Terminal on December 11, 2017 in New York. New York police said Monday that they were investigating an explosion of 'unknown origin' in busy downtown Manhattan, and that people were being evacuated. Media reports said at least one person had been detained after the blast near the Port Authority transit terminal, close to Times Square.Early media reports said the blast came from a pipe bomb, and that several people were injured. / AFP PHOTO / Bryan R. Smith (Photo credit should read BRYAN R. SMITH/AFP/Getty Images)
Police respond to a reported explosion at the Port Authority Bus Terminal on December 11, 2017 in New York. New York police said Monday that they were investigating an explosion of 'unknown origin' in busy downtown Manhattan, and that people were being evacuated. Media reports said at least one person had been detained after the blast near the Port Authority transit terminal, close to Times Square.Early media reports said the blast came from a pipe bomb, and that several people were injured. / AFP PHOTO / Bryan R. Smith (Photo credit should read BRYAN R. SMITH/AFP/Getty Images)
A fire truck arrives after a reported explosion at the Port Authority Bus Terminal on December 11, 2017 in New York. New York police said Monday that they were investigating an explosion of 'unknown origin' in busy downtown Manhattan, and that people were being evacuated. Media reports said at least one person had been detained after the blast near the Port Authority transit terminal, close to Times Square.Early media reports said the blast came from a pipe bomb, and that several people were injured. / AFP PHOTO / Bryan R. Smith (Photo credit should read BRYAN R. SMITH/AFP/Getty Images)
Police and other first responders respond to a reported explosion at the Port Authority Bus Terminal on December 11, 2017 in New York. New York police said Monday that they were investigating an explosion of 'unknown origin' in busy downtown Manhattan, and that people were being evacuated. Media reports said at least one person had been detained after the blast near the Port Authority transit terminal, close to Times Square.Early media reports said the blast came from a pipe bomb, and that several people were injured. / AFP PHOTO / Bryan R. Smith (Photo credit should read BRYAN R. SMITH/AFP/Getty Images)
Police and other first responders respond to a reported explosion at the Port Authority Bus Terminal on December 11, 2017 in New York. New York police said Monday that they were investigating an explosion of 'unknown origin' in busy downtown Manhattan, and that people were being evacuated. Media reports said at least one person had been detained after the blast near the Port Authority transit terminal, close to Times Square.Early media reports said the blast came from a pipe bomb, and that several people were injured. / AFP PHOTO / Bryan R. Smith (Photo credit should read BRYAN R. SMITH/AFP/Getty Images)
A fire truck arrives after a reported explosion at the Port Authority Bus Terminal on December 11, 2017 in New York. New York police said Monday that they were investigating an explosion of 'unknown origin' in busy downtown Manhattan, and that people were being evacuated. Media reports said at least one person had been detained after the blast near the Port Authority transit terminal, close to Times Square.Early media reports said the blast came from a pipe bomb, and that several people were injured. / AFP PHOTO / Bryan R. Smith (Photo credit should read BRYAN R. SMITH/AFP/Getty Images)
Police and other first responders respond to a reported explosion at the Port Authority Bus Terminal on December 11, 2017 in New York. New York police said Monday that they were investigating an explosion of 'unknown origin' in busy downtown Manhattan, and that people were being evacuated. Media reports said at least one person had been detained after the blast near the Port Authority transit terminal, close to Times Square.Early media reports said the blast came from a pipe bomb, and that several people were injured. / AFP PHOTO / Bryan R. Smith (Photo credit should read BRYAN R. SMITH/AFP/Getty Images)
Police and other first responders respond to a reported explosion at the Port Authority Bus Terminal on December 11, 2017 in New York. New York police said Monday that they were investigating an explosion of 'unknown origin' in busy downtown Manhattan, and that people were being evacuated. Media reports said at least one person had been detained after the blast near the Port Authority transit terminal, close to Times Square.Early media reports said the blast came from a pipe bomb, and that several people were injured. / AFP PHOTO / Bryan R. Smith (Photo credit should read BRYAN R. SMITH/AFP/Getty Images)
Police and other first responders respond to a reported explosion at the Port Authority Bus Terminal on December 11, 2017 in New York. New York police said Monday that they were investigating an explosion of 'unknown origin' in busy downtown Manhattan, and that people were being evacuated. Media reports said at least one person had been detained after the blast near the Port Authority transit terminal, close to Times Square.Early media reports said the blast came from a pipe bomb, and that several people were injured. / AFP PHOTO / Bryan R. Smith (Photo credit should read BRYAN R. SMITH/AFP/Getty Images)
Port Authority Police watch as people evacuate after a reported explosion at the Port Authority Bus Terminal on December 11, 2017 in New York. New York police said Monday that they were investigating an explosion of 'unknown origin' in busy downtown Manhattan, and that people were being evacuated. Media reports said at least one person had been detained after the blast near the Port Authority transit terminal, close to Times Square.Early media reports said the blast came from a pipe bomb, and that several people were injured. / AFP PHOTO / Bryan R. Smith (Photo credit should read BRYAN R. SMITH/AFP/Getty Images)
Police and other first responders respond to a reported explosion at the Port Authority Bus Terminal on December 11, 2017 in New York. New York police said Monday that they were investigating an explosion of 'unknown origin' in busy downtown Manhattan, and that people were being evacuated. Media reports said at least one person had been detained after the blast near the Port Authority transit terminal, close to Times Square.Early media reports said the blast came from a pipe bomb, and that several people were injured. / AFP PHOTO / Bryan R. Smith (Photo credit should read BRYAN R. SMITH/AFP/Getty Images)
Port Authority Police watch as people evacuate after a reported explosion at the Port Authority Bus Terminal on December 11, 2017 in New York. New York police said Monday that they were investigating an explosion of 'unknown origin' in busy downtown Manhattan, and that people were being evacuated. Media reports said at least one person had been detained after the blast near the Port Authority transit terminal, close to Times Square.Early media reports said the blast came from a pipe bomb, and that several people were injured. / AFP PHOTO / Bryan R. Smith (Photo credit should read BRYAN R. SMITH/AFP/Getty Images)
Port Authority Police watch as people evacuate after a reported explosion at the Port Authority Bus Terminal on December 11, 2017 in New York. New York police said Monday that they were investigating an explosion of 'unknown origin' in busy downtown Manhattan, and that people were being evacuated. Media reports said at least one person had been detained after the blast near the Port Authority transit terminal, close to Times Square.Early media reports said the blast came from a pipe bomb, and that several people were injured. / AFP PHOTO / Bryan R. Smith (Photo credit should read BRYAN R. SMITH/AFP/Getty Images)
Port Authority Police watch as people evacuate after a reported explosion at the Port Authority Bus Terminal on December 11, 2017 in New York. New York police said Monday that they were investigating an explosion of 'unknown origin' in busy downtown Manhattan, and that people were being evacuated. Media reports said at least one person had been detained after the blast near the Port Authority transit terminal, close to Times Square.Early media reports said the blast came from a pipe bomb, and that several people were injured. / AFP PHOTO / Bryan R. Smith (Photo credit should read BRYAN R. SMITH/AFP/Getty Images)
Port Authority Police watch as people evacuate after a reported explosion at the Port Authority Bus Terminal on December 11, 2017 in New York. New York police said Monday that they were investigating an explosion of 'unknown origin' in busy downtown Manhattan, and that people were being evacuated. Media reports said at least one person had been detained after the blast near the Port Authority transit terminal, close to Times Square.Early media reports said the blast came from a pipe bomb, and that several people were injured. / AFP PHOTO / Bryan R. Smith (Photo credit should read BRYAN R. SMITH/AFP/Getty Images)
Port Authority Police watch as people evacuate after a reported explosion at the Port Authority Bus Terminal on December 11, 2017 in New York. New York police said Monday that they were investigating an explosion of 'unknown origin' in busy downtown Manhattan, and that people were being evacuated. Media reports said at least one person had been detained after the blast near the Port Authority transit terminal, close to Times Square.Early media reports said the blast came from a pipe bomb, and that several people were injured. / AFP PHOTO / Bryan R. Smith (Photo credit should read BRYAN R. SMITH/AFP/Getty Images)
Port Authority Police watch as people evacuate after a reported explosion at the Port Authority Bus Terminal on December 11, 2017 in New York. New York police said Monday that they were investigating an explosion of 'unknown origin' in busy downtown Manhattan, and that people were being evacuated. Media reports said at least one person had been detained after the blast near the Port Authority transit terminal, close to Times Square.Early media reports said the blast came from a pipe bomb, and that several people were injured. / AFP PHOTO / Bryan R. Smith (Photo credit should read BRYAN R. SMITH/AFP/Getty Images)
Police and other first responders respond to a reported explosion at the Port Authority Bus Terminal on December 11, 2017 in New York. New York police said Monday that they were investigating an explosion of 'unknown origin' in busy downtown Manhattan, and that people were being evacuated. Media reports said at least one person had been detained after the blast near the Port Authority transit terminal, close to Times Square.Early media reports said the blast came from a pipe bomb, and that several people were injured. / AFP PHOTO / Bryan R. Smith (Photo credit should read BRYAN R. SMITH/AFP/Getty Images)
A police officers stand guard outside the New York Port Authority Bus Terminal after reports of an explosion in New York City, New York, U.S., December 11, 2017. REUTERS/Lucas Jackson
New York Police Department (NYPD) officers stand guard near Port Authority Bus Terminal after reports of an explosion in Manhattan, New York, U.S., December 11, 2017. REUTERS/Amr Alfiky
Police officers and FBI agents walk outside the New York Port Authority Bus Terminal in New York City, U.S. December 11, 2017 after reports of an explosion. REUTERS/Lucas Jackson
Police officers and an FBI agent stand outside the New York Port Authority in New York City, U.S. December 11, 2017 after reports of an explosion. REUTERS/Brendan McDermid TPX IMAGES OF THE DAY
New York mayor Billl de Blasio (R) looks on as New York governor Andrew Cuomo holds a press conference in the wake of an explosion at the Port Authority in New York City, U.S. December 11, 2017. REUTERS/Lucas Jackson
Police officers stand guard outside the New York Port Authority Bus Terminal in New York City, U.S. December 11, 2017 after reports of an explosion. REUTERS/Lucas Jackson TPX IMAGES OF THE DAY
NEW YORK, USA - DECEMBER 11: New York Police Department (NYPD) officers take security measures after an explosion occured at the Port Authority Bus Terminal in New York, United States on December 11, 2017. (Photo by Mohammed Elshamy/Anadolu Agency/Getty Images)
NEW YORK, NY - DECEMBER 11: New York City Mayor Bill de Blasio speaks during a press briefing outside the New York Port Authority Bus Terminal, December 11, 2017 in New York City. The Police Department said that one person was in custody for an attempted terror attack after an explosion in a passageway linking the Port Authority Bus Terminal with the subway. (Photo by Drew Angerer/Getty Images)
NEW YORK, NY - DECEMBER 11: New York City Police Department officers and other first responders work the scene near the New York Port Authority Bus Terminal, December 11, 2017 in New York City. The Police Department said that one person was in custody for an attempted terror attack after an explosion in a passageway linking the Port Authority Bus Terminal with the subway. (Photo by Drew Angerer/Getty Images)
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"There was a stampede up the stairs to get out," said Diego Fernandez, one of the commuters atPort Authority. "Everybody was scared and running and shouting."

New York City Mayor Bill de Blasio and President Donald Trump have been briefed on the incident, according to local media and the White House.

News of the incident jarred financial markets as trading was getting underway for the week. Standard & Poor's 500 index emini futures pared gains, the dollar weakened against the yen and U.S. Treasury securities prices gained on a modest flight-to-safety bid.

The incident occurred less than two months after an Uzbek immigrant killed eight people by speeding a rental truck down a New York City bike path, in an attack for which Islamic State claimed responsibility.

In September 2016, a man injured more than two dozen people when he set off a homemade bomb in New York's Chelsea district.

(Reporting By Nick Zieminski and Simon Webb in New York; Editing by Chizu Nomiyama)

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