It happened around midnight in the 3300 block of South Delaware Ave., near the Packer Ave. Marine Terminal.
Officials say approximately five to six box cars from a CSX freight train left the tracks, which caused a utility pole and wires to be knocked over.
Chopper 6 was overhead, where you could see the derailment.
Chopper 6 over partial train derailment in South Philadelphia
Fortunately, no hazardous materials were found in the box cars.
There are no reported injuries at this time.