The MTA's website says "a police investigation at the 14th Street-Union Square" had caused Woodlawn-bound 4 and Pelham Bay Park-bound 5 trains" to run "local from the Brooklyn Bridge-City Hall Station to the 42nd Street-Grand Central Station" (4/5 express service has since resumed, but with delays). According to some initial reports, the investigation was because a man was pinned by a northbound express train.

A new study put out by City Councilman Daniel Garodnick hopes to save east side trains in Manhattan from suffering 

