After Boston Marathon bombings, NYC tightens security
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The NYPD beefed up security at iconic tourist sites, hotels and transportation hubs across the city Monday after the Boston Marathon bombings, and authorities said they would remain on high alert until more details of the attack are known.
"We have a high level of concern about what happened in Boston," NYPD spokesman Paul Browne said.
Within minutes of the Boston explosions, NYPD officials...