DULUTH  (AP) -- Crews will be cleaning up after 17 empty railroad cars derailed on an elevated section of track in Duluth.

Two of the cars plunged from the bridge Thursday morning into a small, fenced wooded area.

No one was hurt.

Canadian National spokesman Patrick Waldron says the train was on a connection track that leads to the limestone loading area of Duluth's DM&IR ore docks.

Waldron says since the cars were empty, there were no environmental issues. He says the cause is under investigation.

Copyright 2011 by The Associated Press.  All Rights Reserved.)

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