This from Tim Olk:

Chicago Fire Department Still & Box Alarm Fire, 104th St West of Wentworth

heavy smoke from house on fire

Tim Olk photo

heavy smoke from house on fire

Tim Olk photo

heavy smoke from house on fire

Tim Olk photo

heavy fire vents through house roof

Tim Olk photo

heavy fire vents through house roof

Tim Olk photo

heavy fire vents through house roof

Tim Olk photo

Firefighter receives hydration after a fire on a hot day

Tim Olk photo

Firefighters cools off on hot day

Tim Olk photo

Firefighters overhaul attic after house fire

Tim Olk photo