Actor Puneeth Rajkumar died in a Bengaluru hospital today after suffering a heart attack. He was 46. News agency ANI tweeted earlier today: "Actor Puneeth Rajkumar was admitted after suffering chest pain at 11.30 am. Trying our best to treat him. His condition is serious. Can't say anything as of now. His condition was bad when brought to hospital, treatment on in ICU: Dr Ranganath Nayak, Vikram Hospital, Bengaluru."