New Delhi, July 17 -- An IndiGo flight from Delhi to Goa made an emergency landing in Mumbai on Wednesday night after experiencing an engine issue mid-air, Mumbai airport officials said. Flight 6E 6271, an Airbus A320neo, safely landed at 9.53pm IST with 191 people on board. The aircraft was flying from Indira Gandhi International Airport to Goa when the incident occurred at 9.27pm, about 100 nautical miles north of Bhubaneswar, officials said. "The pilot declared 'PAN PAN PAN' due to a malfunction in engine number 1," said one airport official, speaking on condition of anonymity. PAN PAN PAN is an urgent message indicating a non-life-threatening emergency. The flight crew requested a diversion to Mumbai at 9.32pm. Ambulances and fire tende...