The former heavyweight boxing champion Ken Norton, who famously broke Muhammad Ali's jaw in a 1973 bout, has died in a hospital in Arizona.
Norton, who was 70, had been suffering from heart failure.
Norton fought Ali three times, winning just once.
He finished with a record of 42 wins, 33 by knockout, seven losses and one tie.
Norton later embarked on an acting career, appearing in several movies, and was a commentator at fights