South Korea's consumer prices rose at their slowest pace in two-and-a-half years last month... mainly due to a drop in international oil prices.br According to Statistics Korea on Tuesday,... consumer prices increased by just half-a-percent on-year in February.br The rate of increase has been sub one-percent for two straight months.br The agency said,... a slump was seen in the price of petroleum goods...citing the drop in international oil prices.br Another reason was lower vegetable prices compared to a year earlier...due to a base effect.