NEW WESTMINSTER, B.C. -- Eight cars from a Canadian National Railway freight train have jumped the tracks in Metro Vancouver.

CN spokeswoman Kate Fenske says in an email that the empty grain cars derailed just after midnight on the Fraser River Bridge at an overpass in New Westminster.

No one was hurt, no dangerous goods are involved and Fenske says crews are at the scene, trying to "re-rail" the affected cars and determine what caused the derailment.

A busy New Westminster street below the overpass has been closed and access to the rail bridge has been blocked, halting freight and passenger trains until further notice.

The Amtrak Cascades passenger rail link between Vancouver and Eugene, Ore., is affected.

It was due to leave the downtown Vancouver terminal at 6:35 a.m., but a note on the Amtrak website says the service is currently unavailable due to a disruption.