Four volunteer fire departments responded to a house fire early Saturday at 2037 Riverside Road in Lancaster County. Firefighters from Gooches, Shiloh Zion, Riverside and Charlotte Road/Van Wyck fire departments were called to the blaze at 3:27 a.m. and were on scene until 7:16 a.m. The fire is still under investigation, with no cause determined yet, said Lancaster County Fire Marshal Russell Rogers.