MBTA Transit Police report arresting a woman they say punched her infant son hard enough to make his mouth bleed on a 23 bus yesterday afternoon.
According to police, when fellow passengers on the bus "expressed their concern for the well being of the child," Erica Ryan, 25, told them to mind their own business.
Police say Ryan told responding officers that "I was trying to feed my baby on the crowded bus, then my hand slipped and I hit him in the mouth."
But fellow passengers told a different story: