AHMEDABAD: An IndiGo Madinah-Hyderabad flight with more than 180 passengers and six crew members made an emergency landing at Ahmedabad’s Sardar Vallabhbhai Patel International airport Thursday after an alleged bomb threat mid-air. It later turned out to be a hoax.Crew allegedly got a message claiming that an explosive device had been planted in the aircraft. The pilot alerted ATC, following which security agencies were put on standby and the flight was diverted to Ahmedabad, said sources.All passengers were deboarded. Teams from Bomb Detection and Disposal Squad, CISF, police and airport security cordoned off the area. “The aircraft was inspected, and no-thing suspicious was found,” ACP (Zone-G) V N Yadav said. Till 7pm, the flight had not departed. “Necessary arrangements were made for passeng-ers,” an airline source said.