Ambulances are being sent to the Paulsboro Marine Terminal where approximately 18 people are reported to be experiencing breathing difficulties at 7:40 a.m.
Initial responders report seven cars overturned and derailed near the 200 block of East Jefferson Street, between North Delaware Street and the creek.
One responder reported on emergency broadcast frequencies that three box cars had turned over and the four tank cars that were in the water had been pierced.
Hazardous materials crews and firefighters are responding.
No injuries have been reported.
Read it at New Jersey Star-Ledger