The MBTA Transit Police announced this morning that a Salem man has been arrested in connection with an incident on a commuter line Sunday.
Adam Morrissey, 19, of Salem was arrested on a charge of open and gross lewdness.
According to Transit Police, Morrissey boarded a Boston-bound train Saturday at either the Gloucester or West Gloucester stations then disembarked at either the Beverly or Swampscott stations. He is accused of masturbating around 8:10 p.m. during the trip.
Morrissey is expected to be arraigned today in Salem District Court.