Philadelphia Fire Department

Soot covers the exterior wall of the building of Wednesday's fatal fire in the Fairmount neighborhood of Philadelphia, Thursday, Jan. 6, 2022. Officials say it's the city's deadliest single fire in at least a century. (AP Photo/Matt Rourke)

Philadelphia row home fire leaves 12 dead, including 8 children

Early Wednesday morning, firefighters arrived to a three-story Philadelphia duplex to find heavy flames coming from the second floor. Authorities said the number of fatalities is dynamic, indicating the number of those killed could change as the recovery continues, but confirmed eight children and four adults died in the tragic fire.