This from Josh Boyajian:

Here are some shots from the 2-11 last night.

firefighters at night fire scene

Josh Boyajian photo

firefighters at night fire scene

Josh Boyajian photo

fire truck at night fire scene

Josh Boyajian photo

commercial building on fire at night

Josh Boyajian photo

heavy smoke at night fire scene

Josh Boyajian photo

firefighters with hose line at night building fire

Josh Boyajian photo

firefighters at night fire scene

Josh Boyajian photo

smoke pushes from windows of commercial building

Josh Boyajian photo

Chicago FD Tower Ladder 39 at work

Josh Boyajian photo