KOLKATA: Preliminary findings of the post-mortem conducted on renowned Bollywood singer Krishnakumar Kunnath, who passed away following a live concert here, indicated that he died due to a cardiac arrest, a senior police officer said on Wednesday.
The report also said that the singer, popularly known as KK, had "prolonged cardiac issues".
"The initial report suggested that the singer died because of myocardial infarction. There was no foul play behind his death. Clinical examination also found that the singer was having prolonged cardiac issues," the officer said, adding, the final report will be available after 72 hours.
KK was declared "brought dead" by doctors of a hospital where he was taken after he "fell unconscious" upon his return to a hotel from a concert on Tuesday night, police had said.
Police have registered a case of unnatural death and started an investigation.
As a part of the probe, officers have spoken to the hotel authorities and scrutinised CCTV footage.
Meanwhile, Kolkata Police has registered a case of unnatural death over the demise of KK, a senior officer said on Wednesday.
The case has been lodged with New Market Police Station under whose jurisdiction falls the five-star hotel where KK had put up and felt unwell before being taken to a hospital on Tuesday night, he told PTI.
"We have started an investigation into singer KK's death and a case of unnatural death has been registered with the New Market Police Station. We are talking to the hotel authorities and scrutinising CCTV footage to understand what had happened before he was taken to the hospital," the police officer said, adding that two persons have been questioned in connection with the case.
An initial probe has revealed that the 53-year-old singer, who was on a two-day tour to Kolkata to perform at two college programmes, was "almost mobbed" by fan followers at the hotel where he had returned after performing at Nazrul Mancha auditorium in the southern part of the city, he said.
"The singer had allowed a couple of fan followers to take snaps with him, but then he refused to carry on with the selfie session. He left the lobby and then went upstairs where he had reportedly stumbled and fallen on the floor. People who were with him informed the hotel authorities," the officer said.