Kolkata: The final post-mortem and chemical analysis reports of playback singer Krishnakumar Kunnath, popularly known as KK, was handed over to the Kolkata Police on Saturday. Both the reports cited 'myocardial infarction' as the cause of the singer's death.As per the final post-mortem report, cholesterol accumulation narrowed the posterior intramuscular artery to a great extent which affected the pumping of blood by the heart. There were blockages in the coronary artery as well.
Sources in Kolkata Police said that they had taken up the investigation by filing an FIR relating to unnatural death. "But after the preliminary and final pos-mortem reports, as well as the chemical analysis report, the theory of unnatural death can be ruled out now," said an official on condition of anonymity. In what turned to be his final show at the Nazrul Mancha in south Kolkata on Tuesday evening, KK had complained of uneasiness a number of times and even went to the backstage restroom to take rest.