Between Dylan's suggestion of a sudden outbreak of powers and Crawler finding the probably identity of the person she dragged out of the basement a possible scenario for what caused this fire.
"Okay things are starting to come together in my mind and I'm not liking the picture that's forming." Liora said. "Dylan you're right, clinics might be a good place to ask around. Same with shelters and anywhere else someone might be able to get either spare clothing or medical attention. We don't know what shape their in, besides most likely panicked. We should check any other places the homeless take shelter in."