NAPA COUNTY (BCN) – Dozens of cats were killed in one of two structure  fires in Napa County Sunday afternoon. 

Napa County Fire and California Department of Forestry and Fire Protection personnel responded at about 4:20 p.m. to a fire on the 5600 block of Silverado Trail in unincorporated Napa County, according to a joint statement by the two agencies.

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In that fire, the fully engulfed building was an accessory structure behind a residence, the statement said.

Firefighters determined that the building was a cattery, a structure used for the breeding or mass housing of domestic cats, the statement said.

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About 30 cats were killed in the burning cattery, the statement said. No humans were reported injured in either of the fires, the agencies said.

Earlier, firefighters from Napa County Fire and Cal Fire responded to a fire in the 2300 block of Stagecoach Canyon Road in Pope Valley, around 3:30 p.m., the statement said.

Upon arrival, they found a house filled with smoke from a chimney fire that had started burning out of control, the statement said. The smoke damaged the attic and roof, the agencies reported, and the house’s total damage costs were estimated around $15,000.

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The Napa County Fire Marshall’s Office is investigating the causes of the fires, the statement said.