Multiple subway lines are fully or partially suspended Tuesday as the MTA grapples with a loss of power at West Fourth Street-Washington Square in Manhattan, authorities say. Service on the A, E, D and M lines is partially suspended.

A subway power outage halted service on several lines Tuesday morning in New York City. The MTA said the subway signal system lost power at around 9 a.m. at the West 4th Street-Washington Square station in Lower Manhattan. The A, B, C, D, E, F and M lines were all impacted. Some trains were not running and others were bypassing Manhattan stops.

Severe delays and train stoppages affected New York City's subway lines after a power loss to a signaling system. FOX 5 NY's Meredith Gorman has more.