PHILADELPHIA (CBS)—Fire personnel responded to the scene of a fire on the 2300 block of Firth Street around 6:21 p.m. Friday night.

Once inside the burning home, crews discovered a male body in a second floor bedroom and pronounced him dead at the scene.

Fire crews found a fire alarm going off in the basement but the second floor smoke alarm was not working.

Officials are still trying to determine a cause.

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