ritish retail sales unexpectedly rose in February, figures from the Office for National Statistics showed on Friday, defying most forecasts from analysts who had predicted a fall against a backdrop of weak overall growth in the economy. Sales volumes increased by a monthly 1.0%, driven by non-food sales although supermarkets saw a drop after a surge in business in January, the Office for National Statistics said. A Reuters poll of economists had pointed to a monthly fall of 0.4% in sales volumes. The ONS revised January's month-on-month increase to 1.4% from an initial 1.7%.