Boston Police report a woman walking on Richmond Street near Fulton around 3:15 this morning was grabbed from behind and sexually assaulted, but that she was able to fight the guy off:

The suspect is described as a Caucasian male, approximately 5'8"-5'10" in height, dirty blonde hair, thin medium build, late 20's, wearing a navy blue or black baseball hat with an unknown logo, a white ribbed tank top, dark colored shorts that came down to his knees and dark colored footwear.