San Bernardino County firefighters came to the 13000 block of Pondera Court at 12:32 p.m. and saw flames shooting out of a side window. Heavy smoke poured out of the eaves and doors, fire officials said.
Residents escaped without injury, but said two cats were still inside.
Fourteen firefighters battled the blaze, but the cats died before firefighters could reach them.
The fire caused an estimated $60,000 damage to the home.
Firefighters are investigating the cause of the blaze.
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