NEW DELHI: A minor fire broke out near one of Delhi Airport’s runways Thursday afternoon due to which aircraft that were to aircraft which to move near the affected area were asked to hold. “There was a grass fire which has been extinguished. Four aircraft were on hold (for some time due to that),” said a senior DGCA official.A passenger on one of those flights, Air India 801 to Trivandrum, said: “We were supposed to take off at 3.10 pm.The pilot announced that flights are being held up because there is fire on departure runway. We are waiting to leave for the destination.”