MOUNT VERNON - Metro-North officials have advised commuters on the New Haven Line that a power issue will result in prolonged delays that may last up to three weeks.

The announcement was made Wednesday after work on the Mount Vernon substation caused a feeder cable to fail. Con Edison is working in conjunction with Metro-North, but insists that similar outages are not typically short-lived.

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Metro-North provided buses and diesel trains at about one-third their normal capacity, making for some very crowded trains and long commutes.

New Haven tickets are being honored on other lines.