The service suspensions, which started at 11:30 p.m. on Friday and end at 5 a.m. on Monday, come as crews replace concrete under switches north of 14th Street.

The 36-year-old MTA employee was on a 6 train in Foxhurst, making service announcements and attempting to close the train doors, whenThompson came up to her and, using what police described as a ...