without a home to live tonight after their homes went up in smoke. a residential hotel at folsom street. joe vazquez with the fuel that may have made it all worse. reporter: look behind me you can see firefighters are still on the scene looking to put out hot spots if they develop. three people were hurt here today. and now tonight they are telling us some 78 people are burned out of their homes. reporter: it was a stubborn one. flames began ripping through the park hotel around 5:30 p.m. an got more and more intense as the hours went by. it spread to three more buildings and injured several people over the two hours of intense firefighting. one hotel resident went to the hospital for smoke inhalation as did a firefighter. another firefighter had a shoulder injury. none of the injuries are life threatening. that s my room right there. reporter: she says she lives on the floor just above the source of the fire. she and several other residents tell me someone was barbec