Clouds hang over lower Manhattan in this view from the observation deck at the Empire State Building Monday, Jan. 8, 2007, in New York. An odor similar to that of natural gas spread over a large part of Manhattan. Authorities were investigating to determine the source of the smell.
Authorities talk on cell phones on the corner of Bleeker Street and West 10th Street as they investigate a gas-like odor that pervaded Manhattan Monday, Jan. 8, 2007, in New York. Authorities were investigating the source of the smell around the city.
Firefighters and other emergency workers stand at the corner of Bleeker Street and West 10th Street as authorities checked out a gas-like odor that pervaded Manhattan Monday, Jan. 8, 2007, in New York. Authorities were investigating the source of the smell around the city.
Police confer on the corner of Bleeker Street and West 10th Street as they investigated a gas-like odor that pervaded Manhattan Monday, Jan. 8, 2007, in New York. Authorities were investigating the source of the smell around the city.
People watch emergency workers confer at the corner of Bleeker Street and West 10th Street as authorities checked out a gas-like odor that pervaded Manhattan Monday, Jan. 8, 2007, in New York. Authorities were investigating the source of the smell around the city.
An emergency vehicle leaves the corner of Bleeker Street and West 10th Street as authorities checked out a gas-like odor that pervaded Manhattan Monday, Jan. 8, 2007 in New York. Authorities were investigating the source of the smell around the city.
Emergency vehicles are seen parked at the corner of Bleeker Street and 10th Street as authorities check out a gas-like odor that pervaded Manhattan Monday, Jan. 8, 2007, in New York. Authorities were investigating the source of the smell around the city.
Workers who left their offices after smelling a mysterious gas-like odor are seen standing outside of the Time & Life Building in New York, Monday, Jan. 8, 2007. Authorities were investigating the source of a mysterious gas-like odor that stretched across a large part of Manhattan, including Rockefeller Center.
Pedestrians cross 34th Street in New York, Monday, Jan. 8, 2007. Authorities were investigating the source of a mysterious gas-like odor that wafted over Manhattan and parts of New Jersey and led to some building evacuations and mass transit disruptions.
Yellow tape blocks the entrance to PATH trains at Herald Square in New York, Monday, Jan. 8, 2007 after the Port Authority of New York and New Jersey temporarily suspended some of its train service as a precaution after a gas-like odor wafted over a large part of Manhattan.