CAMDEN, N.J. (CBS) — Investigators are probing what caused a train to derail in South Jersey early Monday morning.

The derailment happened at 4th and Jackson Streets in an industrial area in Camden, New Jersey.

Chopper 3 HD was over the scene shortly after the derailment where it appeared at least three train cars came off the tracks.

There were no reports of any spills or injuries.

The derailment remains under investigation.

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