Investigators say a house fire that killed a Delaware County woman over the weekend may have been a case of arson.
A 20-year-old woman living with cerebral palsy was killed in the early morning fire on Sunday, Darby Township's police chief confirmed with NBC10.
The fire broke out on the 600 block of Sharon Avenue in Darby Township shortly after midnight.
The fire quickly rose to two alarms. Initial reports said people may have been trapped inside the three-story house, officials said.
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On Monday, investigators said there's a high probability the fire was arson. A suspect was in custody on unrelated charges, according to Darby Township Police Chief Michael Sousa.
Police were still in the investigation stages of having him formally charged.