On Cam: CCTV shows KK walking in hotel lobby minutes before death

CCTV footage shows Krishnakumar Kunnath walking in the lobby of a Kolkata hotel before falling sick. CCTV visuals show the singer walking with a towel around his neck after his live show on Sunday. KK was taken to hospital after he reportedly collapsed in the hotel and was later declared brought dead. Questions have been raised about alleged lack of ventilation amid the extreme heat during the concert. The autopsy's initial report cited cardiac arrest as the cause of the singer's death. Preliminary findings of the post-mortem of the singer have ruled out any foul play. Watch the full video for more.