New Delhi : A Varanasi-bound IndiGo flight today received a bomb threat at the Delhi airport, prompting authorities to inspect the plane, officials said.The flight, 6E2211, was scheduled to take off from Delhi’s Indira Gandhi International Airport around 5 am and was stopped on the runway minutes before departure.”At 05:40 am, a phone call was received from the IGI airport regarding a bomb threat. A message ‘BOMB BLAST @30 MINUTES’ was written on a piece of paper inside the lavatory of the flight and was found by the pilot,” an official said.The flight, 6E2211, was scheduled to take off from Delhi’s Indira Gandhi International Airport around 5 am and was stopped on the runway minutes before departure.”At 05:40 am, a phone call was received from the IGI airport regarding a bomb threat. A message ‘BOMB BLAST @30 MINUTES’ was written on a piece of paper inside the lavatory of the flight and was found by the pilot,” an official said.The aircraft, with 176 passengers onboard, was immediately taken to the isolation bay for further necessary action, the official said, adding that a quick response team was deployed, which has so far not found any suspicious items.All passengers were deboarded through the emergency door and are safe, the official said.