A mystery mishap knocked out power to the subway signal system just in time for rush hour on Tuesday morning — causing chaos ...

A loss of power to the station’s signal system suspended service on the B and C lines in both directions around 8:30 a.m., ...

The electrical outage at West 4th Street led to numerous subway delays and cancellations on a sweltering hot day.

The MTA has reported a power outage at West 4th Street, causing disruptions to several subway lines.