Overnight personnel from Liberty, Royersford, and Ridge Fire were alerted to a residential fire on the 300 block of S. Walnut Street in Spring City Borough. Spring City Police arrived to find active fire contained to a screened porch attached to the rear of the residence. Rescue 63 arrived with Engine 98 following shortly behind with crews quickly extinguishing the flames which had extended into the residence. Engine 62-1 from Ridge Fire Company joined personnel onscene with firefighters ensuring all hazards were mitigated. MICU 83-4 was requested to the scene for evaluation of two patients which did not require medical care or transport. This incident is under investigation by the Chester County Fire Marshals Office.