Seoul: South Korea's consumer prices increased less than 2 percent from a year earlier for the third consecutive month in November, data showed Tuesday. Consumer prices, a key gauge of inflation, rose 1.5 percent on-year last month, following a 1.3 percent on-year increase in October, according to the data from Statistics Korea. September saw a 1.6 percent on-year increase. According to Yonhap News Agency, South Korea's consumer inflation has stayed below 3 percent since April and fell below the target rate of 2 percent for the first time in September.