"Good people, she raised her grandkids, her daughters, her sons, they were all close," neighbor Denise Davido said.
The flames erupted around 7:30 this morning.
A woman and a 7-year-old boy died in the flames.
Four adults and a one year old girl were rushed to the hospital, three of them in critical condition.
They're all members of the Hatchett family, three generations living under one roof.
The baby's mother wasn't home at the time.
She came rushing to the scene as soon as she got word.
"It's a tough loss. I've been here for 25 years; we're a close knit neighborhood. It's a tragedy," Faith Rawl said.
The rapid spread of the fire raises suspicions, but, at this point, investigators don't know how the fire started. They do know there were no smoke detectors in the house.
"We believe and we have statistics that prove it, people who have smoke alarms they get the early warning and walk out the front door," Philadelphia Fire Commissioner Lloyd Ayers said.
Fire investigators have just begun sifting through the rubble looking for evidence.
So far, they haven't found anything that leads them to believe the fire was deliberately set.
The Red Cross is providing emotional counseling, as well as food, shelter and clothing.
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