Hours after singer KK's shocking death after a concert in Kolkata, a video showed him looking unwell while being rushed out of the venue. He went back to his hotel where his condition reportedly deteriorated. He reportedly suffered from chest pain and died on the way to hospital.
Another video showed the singer sweating profusely as he took a break to wipe his face. Other voices in the video were heard saying, "Bohot zyada garam hai (it is very hot)". At one point, KK was seen gesturing to a man on stage and appeared to be talking about the air-conditioning.
The cause of the singer's death remains unknown and a post-mortem report is expected soon. Police have registered a case of unnatural death, sources have said.
Many on social media claim the Nazrul Manch auditorium in South Kolkata was overcrowded and the heat became oppressive during the concert. While the Nazrul Mancha has a capacity of about 2,400, social media posts claimed that many more people had entered the venue where KK was performing for a college fest.
The 53-year-old singer was rushed to CMRI hospital after he fell ill. Doctors there declared him dead.
KK, or Krishnakumar Kunnath, was known for some of Bollywood's biggest hits, like 'Pal' and 'Yaaron'. His songs almost gained cult status among teens in the late 1990s, and his voice was common at school and college farewells and teen cultural events.
"There is a certain energy an artiste gets when he or she is on stage. No matter what one's condition is, once I am on stage, I forget everything and simply perform," KK had said in his memoir on his official website, The Mesmerizer.
KK has recorded songs in Hindi, Tamil, Telugu, Kannada, Malayalam, Marathi and Bengali, among other languages.
Expressing condolences, Prime Minister Narendra Modi said KK's "songs reflected a wide range of emotions as struck a chord with people of all age groups".
Tributes poured in from across the world as fans said goodbye to the singer who was the voice for their many emotions.
In Battle For Rs 11,000 Crore Tobacco Empire, Son Accuses Mother Of Assault Malaysian Mini-Mart Executives Charged Over "Allah" Written On Socks 20th KK Luthra Memorial Moot Court Competition Held In Delhi 9 Dead, 2,800 Hurt As Pagers Explode Across Lebanon, Hezbollah Blames Israel IndiGo Flight Tailstrike Leaves Huge Dent During Take-Off From Delhi Airport 'Pager Bombs' Target Hezbollah In Lebanon. What We Know So Far - 5 Points PM Modi To Visit US For Quad Summit, Attend UN Assembly From September 21-24 Ground Report: Central Forces' Canteens Open To Public In Violence-Hit Manipur Air India To Give $400 Million Makeover To Over Half Of Its Fleet Track Latest News Live on NDTV.com and get news updates from India and around the world.