The Bhubaneswar-Delhi Indigo flight made an emergency landing at the Chaudhury Charan Singh Airport in lucknow at around 8.20 pm on Sunday after a passenger suffered from cardiac arrest. The passenger, Shivkumar Panigrahi (52) felt severe chest pain onboard and hence the pilot made a request to the lucknow airport for an SoS landing. On landing, he was immediately given a preliminary treatment and rushed to a hospital. But he was declared dead in hospital.