What I initially thought was snow in this picture is high-expansion foam used to extinguish fires. Read more about the blaze at the Peerless Rugs warehouse here.
John H. White / Chicago Sun-Times / AP
Chicago firefighters battle an extra-alarm blaze on Chicago's North Side, Friday, Dec. 3, that engulfed three buildings. About 130 firefighters responded to the scene. Chicago Fire Department spokesman Richard Rosado said the fire began Friday morning in a vacant commercial building. No injuries were reported.