(Philadelphia) -- Six train cars that derailed on a Philadelphia bridge carry the same type of flammable crude that exploded in a small Canadian town, killing 47 people.
The derailment worries environmental activists, especially since it occurred in a densely-populated city.
Iris Marie Bloom, director of Protecting Our Waters, doesn't think the area could be evacuated in an emergency.
The Philadelphia derailment occurred near the University of Pennsylvania, a highway and three hospitals.
A CSX spokesman says the industry is also concerned after several derailments involving oil from the Bakken Shale in North Dakota. He says CSX and industry leaders recently met with U-S Transportation Secretary Anthony Foxx about the problem.
In the meanwhile, CSX hopes to offload oil from the Philadelphia site in the next few days, weather permitting.
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