More details ....
100 people on train, 60 injuries, 10 sent to hospitals. Last injured person removed from train by 11:20pm. B train service predicted to be out until the AM rush. Cause not yet known. Low speed derailment. Most of train in the station. Investigating track condition in derailment area. Brooklyn-bound B train. 1st 3 cars derailed.
If I hear anything else in the next 20 mins, I'll post before retiring for the evening.
Live from Rockland, this is Mark Train reporting ....