Photos from Tim Olk at the 2-11 Alarm fire with an EMS Plan I at the John Hancock Building, 175 E. Delaware Place, Saturday afternoon, 11/21/15.

Chicago firefighters after a fire

Tim Olk photo

fire blows out of the John Hancock Building Chicago

Tim Olk photo

fire blows out of the John Hancock Building Chicago

Tim Olk photo

Chicago firefighters after a fire

Tim Olk photo

high-rise fire lobby command post

Tim Olk photo