have realized that this was an area that washa old, that was a high risk, that they identified as high risk. >> reporter: officials are looking into the reports about the smell of gas in the days before the explosion and how pg&e responded. >> we would ask anybody who says that they smelled gas and called it in to let us know. >> reporter: theve mccafferies plan to move back. while their home suffered minor damage their neighborhood will never be the same. >> wow wlaxt a story. we want to show you more pictures of the devastation. dina bower sent us these images. you can see the barren yards. cars reduced to heaps of metal and melted rubber. police are looking for several people who are reported missing in this. in washington, common ground