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Authorities respond to "small manhole explosion" in lower Manhattan

NEW YORK -- A loud bang that rang through lower Manhattan on Thursday afternoon was a "small manhole explosion" that resulted in no serious injuries, the NYPD said.

J. Peter Donald, a spokesman for the NYPD, said the explosion occurred outside 53 Nassau Street in the Financial District. 

Shane Goldmacher, a reporter with the New York Times, posted a photo from the scene nearby at Nassau and Liberty Streets:

Officials at the NYPD 1st Precinct then alerted the public about a second manhole explosion on the same block:

FDNY officials said there were multiple buildings with high levels of carbon monoxide:

No other details were immediately available.

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