The Mercer County Fire Protection District responded to a structure fire on East Hickland Street in Princeton Monday.
The fire department reports firefighters found an attached carport and a covered porch on fire when they arrived.
Mercer County Ambulance treated three firefighters for heat-related illness and released them.
Princeton City Clerk Danette Snapp reports the fire involved a rental property at 1005 East Hickland.
Photo Credit: Mercer County Fire Protection District Facebook Page