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PORTLAND -- A Portland MAX train was damaged and taken out of service after it ran over two large rocks on the Blue Line tracks. TriMet officials think someone put the rocks there purposely.

The train was heading into the Millikan Way MAX station when it hit the rocks at about 5 a.m. Thursday, said TriMet spokeswoman Roberta Altstadt. A hydraulic line was damaged on one of the cars and the train was removed from service.

The rocks were each about 12 inches in diameter, Altstadt said.The damage was estimated at $20,000.

I have asked the Transit Police Division to investigate this incident, and when the person or persons responsible are found they will be prosecuted to the fullest extent of the law, said TriMet safety spokesman Harry Saporta. We do suspect foul play because a train went through that area earlier without incident.

Anyone with information was asked to call (503) 238-7433. TriMet announced Friday that a $1,000 reward was offered for information leading to an arrest in the case.

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