Sterling fell to a five-year low against the dollar on Friday, hurt by weaker-than-expected industrial data and the rising risk of prolonged political uncertainty after a tight British election next month. Industrial output rose 0.1 percent month on month in February, below a forecast for a 0.3 percent rise in a Reuters poll of economists, official data showed. That did not bode well for first quarter economic growth and weighed down on the currency. Sterling fell to $1.4623 after the data, its lowest level since mid-2010 and down 0.5 percent on the day. It was trading at $1.4685 before the data was released. The euro was flat against sterling at 72.44 pence .