The bottle hit the floor and broke and sprayed five or six feet.

It was clear this person intended to bring the entire building down and a great deal of accelerant was used.

The door is probably what saved her. It would have protected her from the debris. She crawled up out of the rubble. A paramedic found her wandering around in a daze.

It's a very unusual situation.

Anything in the house could spark it.

Several businesses are totally destroyed. Trees literally are sitting inside of houses.

Fire investigators have seen evidence of ... violations. We are looking into issues regarding [access] and flammability of materials.