Explosion Causes Two Buildings To Collapse In Manhattan's East Harlem Neighborhood [Getty Images]

NEW YORK, NY - MARCH 12: In this image handout provided by the Office of Mayor of New York, firefighters from the Fire Department of New York (FDNY) respond to a five-alarm fire and building collapse at 1646 Park Ave in the Harlem neighborhood of Manhattan March 12, 2014 in New York City. Reports of an explosion were heard before the collapse of two multiple-dwelling buildings at East 116th St. and Park Avenue that left at least 17 injured and a number of people are missing. (Photo by Rob Bennett/Office of Mayor of New York/Getty Images)

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