4 / 19

Chicago fire

Chicago firefighters battle a five-alarm blaze in single digit temperatures at a warehouse on the city's South Side, Bridgeport neighborhood Wednesday, Jan. 23, 2013, in Chicago. (AP Photo/Charles Rex Arbogast)

Chicago firefighters battle flames in bitter cold

Ice-covered Chicago firefighters spent hours fighting a massive fire at a warehouse on the city's South Side on Jan. 22, hindered by the single digit chill.