(Portland, OR) -- Portland Fire & Rescue crews battled a house fire Sunday afternoon. The house is located near Northeast 102nd and Skidmore. Firefighters had to deal with downed power lines, natural gas and hot temperatures. Firefighters were rotated out to cool off before returning to fight the fire and mop up. One resident was treated for medical issues that didn't appear to be life-threatening. An investigation into the cause of the fire is underway.