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BOSTON -- A mammoth snowstorm is battering the New York-to-Boston corridor and has the potential to be a record-breaker.

More than 18.5 inches of snow has fallen in parts of central Connecticut. More than 16 inches of snow are covering Mansfield, Mass., just southwest of Boston.

The National Weather Service says up to 3 feet of snow is expected in Boston, threatening the city's 2003 record of 27.6 inches.

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