2 unaccounted for after house explosion, large fire in Oswego, officials sayOSWEGO, Ill. (WLS) -- Firefighters battled a large fire after a house explosion Thursday evening in Oswego. A suspected gas leak and home explosion in Oswego caused the massive fire that rattled neighboring homes, officials said. Oswego fire officials say the people who lived in that home are still unaccounted for. "When we arrived, we found a two-story house that was fully involved in fire and large portions of it collapsed." While there was minor damage to the two neighboring homes, fire officials say there is no danger to other homes in the area.