BALTIMORE -- A woman and three children are injured and six more children in the family are unaccounted for after an early morning house fire in northeast Baltimore, a fire official said Thursday.

Responding firefighters found heavy fire coming from all three floors of the home and they attacked the blaze from outside, fire department spokesman Chief Roman Clark said. Firefighters answered the call about 12:30 a.m. Thursday.

“The building was fully engulfed when they arrived on the scene,” he said by telephone.

A woman and three children escaped the home, Clark said. He said the nine children from one family range in age from 8 months to 11 years old.

The woman and two of the children are in critical condition and the third child is in serious condition, Clark said.

CBS Baltimore station WJZ-TV showed two small children sitting up as they were wheeled away on a stretcher and a woman on a stretcher with an oxygen mask over her face. Images from the scene show firefighters dousing the charred shell of the first two stories of the home between two other large three story single-family homes.

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