NEW DELHI: A bomb threat note found inside the lavatory of an IndiGo flight at Chaudhary Charan Singh International Airport (CCSIA), Lucknow, triggered a major security response on Friday, leading to the deboarding of passengers and a comprehensive search of the aircraft.The incident involved IndiGo flight 6E 2111 operating on the Ahmedabad–Lucknow–Delhi route. According to official sources, boarding had been completed and the aircraft was preparing for departure to Delhi when cabin crew members discovered a handwritten bomb threat message on a tissue paper inside the aircraft lavatory. The matter was reported at around 11.15 am.Following standard aviation security procedures, a local standby was declared and all concerned agencies were immediately alerted.The Bomb Threat Assessment Committee reviewed the threat and classified it as "specific" at 11.47 am. The aircraft was subsequently shifted to the Isolation Aircraft Parking Position , where passengers were safely deboarded and security agencies began detailed checks.Teams from the Bomb Detection and Disposal Squad, along with other security personnel, conducted a thorough search of the aircraft and screened passenger baggage in accordance with aviation security protocols.

The deboarding process was completed at approximately 12.34 pm, following which security screening and inspection procedures continued.Airport officials said all actions were carried out as per prescribed aviation security guidelines.In a statement, IndiGo confirmed that a security threat had been detected shortly before take-off."Following the established protocol, we informed the relevant authorities immediately and are fully cooperating with them in carrying out the necessary security checks.

The aircraft will operate its journey to Delhi after securing the required clearances," the airline said.The airline added that efforts were being made to minimise inconvenience to passengers by providing refreshments and regular updates."As always, safety and security of our customers, crew and aircraft are our topmost priorities," the statement said.Further details from security agencies, including the Central Industrial Security Force (CISF), are awaited.