Firefighters rescued Mary Frey, 77, from the Washington Borough blaze, which broke out at 82 Youmans Ave. around 9 a.m. Saturday.
Frey had been breathing independently as she was being airlifted to Saint Barnabas Medical Center in Livingston — but later died due to smoke inhalation, NJ.com reports citing Prosecutor Jim Pfeifer.
The cause of the fire remains undetermined but does not appear suspicious, the report says.
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