When authorities arrived, they went up to the 7th floor where the fire was reported.
There, the fire department found an 2-year-old child dead in the hallway.
They then made their way into the apartment of the fire location and found the body of the adult man.
Police have confirmed to Action News that the deceased were father and daughter.
No cause of death has been reported yet, but police have declared this a murder-suicide.
Some residents were evacuated as a precaution.
No other injuries were reported.
The Camden County Prosecutor's Office is investigating.