The state-owned oil firms today raised jet fuel price by 3.4 per cent in line with spike in crude oil prices.Aviation turbine fuel or ATF rates in Delhi have been hiked by 1,870 rupees per kilolitre to 54,933 rupees per kiloletre with effect from midnight tonight. This was announced by an official ofIndian Oil Corp which is the nation's largest fuel retailer.The hike comes on back of two massive hikes effected on February 1 and 16.This is the 10th straight increase in jet fuel prices since October 2010, when international crude oil prices started soaring.