West Virginia ? Fire ravaged a Huntington apartment building, killing at least seven people, including a child, and authorities said Sunday that they feared the death count could grow.

The fire broke out late Saturday in the 64-unit, five-story building. Firefighters discovered two bodies and a child on the building’s top floor while fighting the blaze, and crews found four more bodies Sunday morning on that floor, Fire Chief Greg Fuller said. The child died on the way to a hospital.

“We have not been able to complete the search,” Fuller said. Some of the fifth story was blocked because the building’s roof and part of that floor collapsed.

Fourteen people were rescued, Fuller said, and one was in critical condition Sunday night. Three were in serious condition. One firefighter was treated for smoke inhalation and released.

Bias said it could take days to determine the cause of the blaze, which began in a second-floor unit. From that apartment, flames and smoke shot up utility access channels to the upper floors, Fuller said.