Subway riders endured delays on the 4, 5 and 6 trains in both directions during the morning rush today, after an uptown-bound 6-train derailed just before 4 a.m.
There were no injuries reported in the derailment, which happened at the Brooklyn Bridge/City Hall station. Two cars on the train derailed and the subway was carrying 19 riders at the time.
The cause of the derailment is under investigation.