A mysterious explosion in a quiet Indianapolis neighborhood late-Saturday completely destroyed two homes, and currently, there’s no sign that it was a natural gas explosion. According to the Associated Press, “it wasn’t clear what caused the blast about 11 p.m. Saturday; firefighters responding to a call about a single house fire were surprised by a much bigger blaze.” Continue reading for a video and more information.

Residents described a loud boom that shook their homes, blew out windows and collapsed ceilings. They rushed outside to find a chaotic scene with flames rising against the Indianapolis skyline to the north.

Dan Considine, a spokesman for Citizens Energy, said people usually smell gas when there is a leak, but the utility had not received any calls from people smelling gas in that area. Dan Able, a 58-year-old state employee who lives across the street from the two homes that exploded, said his first thought was that a plane had hit his house.