A McKees Rocks woman was killed when a train struck her in Leetsdale last night. 54-year-old Carolyn Mayhugh was struck at First and Perry Streets at 9:12 p.m. She was pronounced dead at the scene at 9:23 p.m., according to the Allegheny County medical examiner’s office. No word on why the woman was walking along the tracks that late at night or why she didn’t see or hear the train in time.