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.

Police say they believe someone may have been bumped by the train.

A victim has not come forward.