<p><br /> A fire underneath New York City's Harlem River bridge cut off commuter train services into and out of Grand Central Terminal Monday.<br /> </p><p><br /> Initial reports suggested it was caused by an electrical transformer, a spokesman for the city's Office of Emergency Management said.<br /> </p><p><br /> No one was injured and the cause was still being investigated, a fire department spokesman said.<br /> </p><p><br /> A thick plume of smoke rose from the Harlem River bridge connecting Manhattan and the Bronx at 138th Street, suspending service on the Metro-North railroad that serves commuters north of the city.<br /> </p><p><br /> The fire consumed piers below the bridge and inspectors were trying to determine if the intense heat damaged the steel or electrical conduits of the railroad.<br /> </p><p><br /> The fire, which lasted two hours before being extinguished, took place about 5 miles north of the United Nations, which was celebrating its annual General Assembly.<br /> </p>
