Mohali, July 8 -- An IndiGo flight from Hyderabad had received a bomb threat on July 5, police said on Monday, adding that a case has been registered against unidentified persons. As per information, flight 6E-108 had departed from Hyderabad at 9.45 am and landed at the Shaheed Bhagat Singh International Airport, Mohali, at 11.50 am on Saturday. After the passengers had disembarked, the cabin crew began routine cleaning, during which a tissue paper with a bomb threat was found in the lavatory. The note stated that the flight would be blown up. Following this, Manmohan Singh, security manager of InterGlobe Aviation Ltd (IndiGo), informed the Mohali Airport police station and the bomb disposal squad. Fortunately, no explosive or suspicious object was found on board. A case has been registered under Sections 217 (providing false information to public servant), 351 (criminal intimidation), and 324(5) (mischief) of the Bharatiya Nyaya Sanhita (BNS), along with Sections 3(a) and 3(2) of the Unlawful Activities (Prevention) Act and the Aircraft (Security) Act under the Safety of Civil Aviation regulations. SHO Ajitesh Kaushal of the Airport police station confirmed that an investigation is underway. Following the incident, the Airport Authority contacted the Hyderabad Airport authorities and sought the boarding pass records of all 220 passengers on flight 6E-108....