An elderly woman and her adult disabled daughter died after flames engulfed their Stratford Place home in New City just after midnight.
Police identified the victims as 79-year-old Barbara Calise and 54-year-old Yvonee Calise.
It took roughly 100 firefighters almost an hour to get the fire under control.
Authorities believe the fire started in the basement and do not believe it to be suspicious at this time.
The cause is under investigation. Officials said there is no evidence of working smoke detectors in the home.
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