Firefighters Battling Massive Chicago Blaze Hindered By Frigid Temperatures

CHICAGO, IL - JANUARY 23: Firefighters work to extinguish a massive blaze at a vacant warehouse on January 23, 2013 in Chicago, Illinois. More than 200 firefighters battled a five-alarm fire as temperatures were in the single digits. (Photo by Scott Olson/Getty Images)

Firefighters Battling Massive Chicago Blaze Hindered By Frigid Temperatures

CHICAGO, IL - JANUARY 23: Firefighters work to extinguish a massive blaze at a vacant warehouse on January 23, 2013 in Chicago, Illinois. More than 200 firefighters battled a five-alarm fire as temperatures were in the single digits. (Photo by Scott Olson/Getty Images)

Firefighters Battling Massive Chicago Blaze Hindered By Frigid Temperatures

CHICAGO, IL - JANUARY 23: Firefighters help to extinguish a massive blaze at a vacant warehouse on January 23, 2013 in Chicago, Illinois. More than 200 firefighters battled a five-alarm fire as temperatures were in the single digits. (Photo by Scott Olson/Getty Images)

Firefighters Battling Massive Chicago Blaze Hindered By Frigid Temperatures

CHICAGO, IL - JANUARY 23: Firefighters help to extinguish a massive blaze at a vacant warehouse on January 23, 2013 in Chicago, Illinois. More than 200 firefighters battled a five-alarm fire as temperatures were in the single digits. (Photo by Scott Olson/Getty Images)

Firefighters Battling Massive Chicago Blaze Hindered By Frigid Temperatures

CHICAGO, IL - JANUARY 23: Firefighters help to extinguish a massive blaze at a vacant warehouse on January 23, 2013 in Chicago, Illinois. More than 200 firefighters battled a five-alarm fire as temperatures were in the single digits. (Photo by Scott Olson/Getty Images)

Firefighters Battling Massive Chicago Blaze Hindered By Frigid Temperatures

CHICAGO, IL - JANUARY 23: A truck is covered in ice as firefighters help to extinguish a massive blaze at a vacant warehouse on January 23, 2013 in Chicago, Illinois. More than 200 firefighters battled a five-alarm fire as temperatures were in the single digits. (Photo by Scott Olson/Getty Images)

Firefighters Battling Massive Chicago Blaze Hindered By Frigid Temperatures

CHICAGO, IL - JANUARY 23: Firefighters work to extinguish a massive blaze at a vacant warehouse on January 23, 2013 in Chicago, Illinois. More than 200 firefighters battled a five-alarm fire as temperatures were in the single digits. (Photo by Scott Olson/Getty Images)

Firefighters Battling Massive Chicago Blaze Hindered By Frigid Temperatures

CHICAGO, IL - JANUARY 23: Firefighters work to extinguish a massive blaze at a vacant warehouse on January 23, 2013 in Chicago, Illinois. More than 200 firefighters battled a five-alarm fire as temperatures were in the single digits. (Photo by Scott Olson/Getty Images)

Firefighters Battling Massive Chicago Blaze Hindered By Frigid Temperatures

CHICAGO, IL - JANUARY 23: Firefighters work to extinguish a massive blaze at a vacant warehouse on January 23, 2013 in Chicago, Illinois. More than 200 firefighters battled a five-alarm fire as temperatures were in the single digits. (Photo by Scott Olson/Getty Images)

Firefighters Battling Massive Chicago Blaze Hindered By Frigid Temperatures

CHICAGO, IL - JANUARY 23: Firefighters work to extinguish a massive blaze at a vacant warehouse on January 23, 2013 in Chicago, Illinois. More than 200 firefighters battled a five-alarm fire as temperatures were in the single digits. (Photo by Scott Olson/Getty Images)

Firefighters Battling Massive Chicago Blaze Hindered By Frigid Temperatures

CHICAGO, IL - JANUARY 23: Firefighters work to extinguish a massive blaze at a vacant warehouse on January 23, 2013 in Chicago, Illinois. More than 200 firefighters battled a five-alarm fire as temperatures were in the single digits. (Photo by Scott Olson/Getty Images)

Firefighters Battling Massive Chicago Blaze Hindered By Frigid Temperatures

CHICAGO, IL - JANUARY 23: Firefighters work to extinguish a massive blaze at a vacant warehouse on January 23, 2013 in Chicago, Illinois. More than 200 firefighters battled a five-alarm fire as temperatures were in the single digits. (Photo by Scott Olson/Getty Images)