A fire in Pleasant Hill Monday afternoon burned two houses and injured a firefighter, according to the local fire district.
The blaze broke out on the 100 block of Lorenzo Drive, the Contra Costa County Fire Protection District said.
The injured firefighter was transported to the hospital to be treated for burns, according to the fire district. No other injuries were immediately reported.
There were "significant collapses" in both houses, the fire district said.
Firefighters were able to protect a third house that was threatened by the flames.