A quiet Monday ride on a Bronx 6 train turned ugly when a 66-year-old woman was punched in the face as her train pulled into the 138th Street station, and the attacker slipped out the doors before anyone could stop him.
The assault happened on a northbound 6 train around 2:05 p.m. on May 4, according to NYPD Crime Stoppers. The incident took place within the confines of the 40th Precinct and Transit District 12. Police say the suspect took off immediately after the doors opened, and no arrests or identifications have been announced so far…