13 people have been hurt, six are in critical condition. contrary to some of the reports that came out earlier this morning, not everybody has been accounted for. authorities say there may be more people inside of this building right now. the explosion happened earlier this morning. the flames ended up raging for hours. this is a three-story building that is a well known community grocery store in the bottom and had apartments on the second and third floors. some people according to witnesses ended up falling out of the second and third floors, the possibly jumped. we have seen people with severe burns. this is how one witness described the scene. >> there is one guy hanging out the window saying help me, help me. another guy screaming and yelling. they got here really fast. >> and firefighters arrived on the scene, they say the second and third floors were fully engulfed.