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After giving a power-packed performance on Tuesday, the singer left for his hotel room where he said he was "feeling heavy". Soon, KK collapsed and was rushed to the hospital in Kolkata where he was declared dead.

Several fans of the singer have blamed the authorities and venue, alleging that they saw KK sweating profusely on stage, wiping his face with a towel and complaining about the air conditioning. The singer performed at the concert organised by Gurudas College in south Kolkata's Nazrul Mancha for almost an hour in the evening on Tuesday.

Days before KK's sudden demise, another popular singer Edava Basheer passed away while performing live on stage at a function in Kerala on Saturday night. He was 78. The Malayalam singer was a special guest at an event, held to celebrate the 50th anniversary of the popular music group Bhima's Blue Diamond Orchestra.

He was singing a Hindi song 'Mano Ho Thum' when he collapsed on the stage at the end of the song. The singer was then rushed to a nearby hospital where he was pronounced dead.

Renowned Kathakali dancer Madavoor Vasudevan Nair passed away on February 6, 2018. He was 89. Nair was performing at Agasthyamcode Mahadeva Temple in Kollam's Anchal when he suddenly collapsed on stage.

The dancer, who is a recipient of several prestigious awards including Padma Bhushan, was taken to a hospital. He was soon declared dead.

Veteran Nepali theatre actor Bishnu Bhakta Phuyal died while performing on stage on January 03, 2017. He was 80. Phuyal was playing the role of King Janak in Maharshi Yagyawalkya when he sustained injuries after falling off the stage during performance. He was rushed to the Bir Hospital where he breathed his last.

Talal Maddah was a Saudi Arabian musician and composer who collapsed and died in front of his fans shortly after performing an intro to one of his famous songs on August 11, 2000.

He was 60. He was performing on Al Meftaha Stage in Abha. Maddah was known as the "golden throat" for his singing skills.

Son of martial artist Bruce Lee, died while filming 'The Crow' in Wilmington, North Carolina on March 31, 1993. He was 28.

The actor and martial artist died in an accident after a prop gun had been squib loaded, causing the blank cartridge to propel the bullet into Lee and killing him. Contrary to urban legend, the footage of his death was not kept in the movie.

Instead, they re-shot the scene using a different actor, whose death in the film was by a throwing knife.

Irwin, star of 'The Crocodile Hunter', was an Australian zookeeper, television personality, wildlife expert, conservationist and environmentalist who died on September 4, 2006 while filming the 'Great Barrier Reef' with Philippe Cousteau Jr.

He was stung and killed by a stingray while filming an underwater documentary entitled Ocean's Deadliest.

The stingray penetrated his thoracic wall, causing massive trauma.

American musician and former Megadeth drummer Nick Menza died in front of a massive crowd during his band performance in Studio City, California on May 21, 2016. He was 51.

The drummer was performing with his and, OHM, at The Baked Potato jazz club when he collapsed and died of heart failure.

Abbott, best known by his stage name Dimebag Darrell, was the guitarist of the heavy metal bands Pantera and Damageplan, which he had co-founded with his brother Vinnie Paul.

Abbott, who was regarded as one of the greatest heavy metal guitarists of all time, was murdered on stage by a gunman while he was performing with Damageplan at the Alrosa Villa in Columbus, Ohio on December 8, 2004. A fan was also killed as he attempted to help Abbott and his security head Thompson. The guitarist was only 38 when he died on the stage.