Indians are paying their tributes to popular singer KK, who died unexpectedly on Tuesday night, hours after performing at a concert.
The 53-year-old, whose real name was Krishnakumar Kunnath, sang hundreds of songs over his career, which began in the 1990s.
He collapsed at his hotel in Kolkata city and was rushed to a hospital, where doctors pronounced him dead.
The cause of death hasn't been confirmed yet.
On Wednesday morning, 'Not KK' trended on Indian Twitter as fans and colleagues registered their shock and disbelief at the news.
Prime Minister Narendra Modi led the tributes, tweeting his grief at the singer's "untimely demise".
"His songs reflected a wide range of emotions and struck a chord with people of all age groups. We will always remember him through his songs," Mr Modi said.