It started in the rear of a vacant home in the 1600 block of S. Bedford Ave. and spread to the home next door that was vacant but under renovations.
One firefighter was injured when he fell from the second floor of one of the houses. He was treated and released from Deaconess Hospital.
No cause of the fire has been determined.
Copyright 2016 Nexstar Broadcasting, Inc. All rights reserved. This material may not be published, broadcast, rewritten, or redistributed.