(CBS) – A man was found dead in a bathroom aboard a Metra commuter train Thursday afternoon, police said.

Authorities said there was no sign of trauma and foul play was not suspected.

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Officers responded to the Aurora Transportation Center around 2 p.m. after the body was found aboard a Burlington Northern line train, police said in a news release.

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Metra said a conductor was doing a routine check on the Chicago-to-Aurora train when the body was discovered.

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