BENICIA (CBS SF) — One person has died from injuries suffered in a house fire in Benicia, according to authorities.

An elderly couple was found in the back bedroom of the burning home on the 300 block of Larkin Drive just after 2:00 a.m., Benicia Fire Chief Jim Lydon said.

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Both were transported to Kaiser Hospital in Vallejo and then moved to the St. Francis Memorial Hospital Burn Center in San Francisco at 7:15am, according to Benicia Police Lt. Frank Hartig.

Later Thursday morning one of the two died of injuries, said Hartig. The name of the deceased was not immediately released.

Crews arrived to find light smoke showing a around the home and forced entry into the residence.

“Once inside, we conducted a search and we located two victims down in the back bedroom,” Lydon said.

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They were removed from the home and treated at the scene, then transported to Kaiser Permanente Vallejo Medical Center, he said.

The residents’ dog was treated at the scene for smoke inhalation then taken to a veterinary hospital, Lydon said.

The fire caused extensive damage to the living room and kitchen areas, and there was heat and smoke damage throughout the home, the chief said.

Lydon said the home was equipped with smoke detectors but it’s not clear whether they were operational.

The cause of the fire remains under investigation.

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