George Carlin dead at 71

Los Angeles -- U.S. comedian and social commentator George Carlin has died from heart failure in California, Entertainment Tonight reported.

Carlin, 71, died at 5:55 p.m. Sunday at Saint John's Hospital in Santa Monica, his publicist said.

He had been the victim of several heart attacks and a history of heart disease, ET online reported, and went to the hospital Sunday afternoon complaining of heart problems.

Carlin was famous for coming up with the "seven words you can never say on television."

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