Muhammad Ali's daughter, Hana, revealed that her legendary father's heart beat for 30 minutes after his organs failed as he mounted one last fight before passing away on Friday.
Global icon Ali died at the age of 74 in Phoenix after the former world heavyweight champion was admitted to hospital earlier this week with a respiratory illness.
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Known simply as "The Greatest', Ali battled Parkinson's disease with incredible courage for more than 30 years.
Hana Ali said his strength of character was still evident in the final moments of his incredible life.