Transit police are looking for three people, including a shirtless man walking a dog, in connection to an apparent assault near the Sullivan T station in Charlestown.  

Transit Police offered few details about the alleged assault on Wednesday, saying only that it happened at approximately 8:30 p.m. on Sunday. The three people were "persons of interest," not suspects.

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Spokesperson Lt. Richard Sullivan told Metro the department could not elaborate. 

Anyone with information was asked to contact the Transit Police's Criminal Investigations Unit by calling 617-222-1050 texting an anonymous line at 873873 or using the anonymous feature of the MBTA's SeeSay app.