Lehigh County Coroner Daniel A. Buglio said an autopsy will be performed Tuesday on the body of a 28-year-old woman from Allentown who was pronounced dead at 7:39 a.m. Sunday in the emergency room of St. Luke’s Hospital, Allentown.

He said Milagros Fonseca is victim of a house fire that happened at about 6:25 a.m. Sunday in the 900 block of North Penn Street in Allentown. The fire spread through multiple row homes, injuring three other residents. Two firefighters were reported to have minor injuries

The Allentown Fire Department, the city’s fire marshal and the city police are conducting the investigation.