Police in Wellesley, Massachusetts, say they couldn't find a victim after reports of a person struck by an MBTA train Monday morning.
The incident reportedly happened at Wellesley Hill around 5 a.m.
The MBTA reports there was a trespasser on the line. Traffic was halted in both directions during that time.
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Police say they believe someone may have been bumped by the train.
A victim has not come forward.