they had at it including twoire. this is a known homeless everyone campment but don't believe anybody was inside. they upped the fire alarm to two because are be residents in the area and they had the residents shelter in place. >> called for more resources in case we weren't able to control it right away. >> reporter: there are, indeed, town homes behind the structure and to the right of it there, there is about a seven-story apartment complex under correction. now, we just got the all-clear from firefighters who say they were, as the building cooled down enough for them to get inside they could determine no one was indeed inside. good news. and no idea how it started but expecting a team of arson investigators are on its way to determine how this got started. keep you updated on twitter and be back in a half hour with more information as we get. for now live in san jose for "today in the bay." >> thank you. >>> 4:34 and now let's head to the other side of the bay. n more breaking news. a double shooting in today's