Authorities confirmed that at least four people died in a house fire in Philadelphia early Sunday morning. The Philadelphia Fire Department said three children were among those pronounced dead after both floors of a two-story rowhome in the neighborhood of Kensington caught fire at around 2 a.m. on Sunday morning.

Philadelphia Fire Commissioner Adam Thiel said in a news conference on Sunday afternoon that 38-year-old woman jumped out of a window to escape the blaze and was taken to a hospital to be treated for burns.  The fire was placed under control at 2:28 a.m.  Officials said the house did not have working smoke detectors and encouraged those without working smoke detectors to call 311 to have the department install them.

The Philadelphia fire department tweeted: “Despite a strong response by the PFD it has been a devastating morning in Kensington. Please keep the community and our members in your thoughts. The cause of the fire is under investigation and the medical examiner’s office will work to determine the causes of death.”

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