Police: Two pals help South Boston guy break into ex-girlfriend's apartment so they can beat and stab her

District C-6 reports the attack happened around 1:50 a.m. on Sept. 11 at 15 McDonough Way in South Boston:

Victim reported that her former boyfriend knocked on the door. When the door was not answered a second suspect climbed in a window and opened the door. Once inside the 3 adult male suspects kicked in the bathroom door where the victim was hiding. The victim was beaten and sustained a stab wound to the stomach.

Police say the three were later arrested.