Heartfelt tributes were pouring in within minutes after family confirmed that legendary boxer Muhammad Ali died, aged 74.
Ali, known simply as The Greatest, was admired and loved by the world, from politicians to sportsmen and fellow boxer Mike Tyson was one of the first to express his sadness.
He passed away with his family at his side after a 32-year battle with Parkinson's disease Friday evening, a day after he was rushed to hospital with difficulty breathing.
Ali was an indomitable talent but also a humanitarian and freedom fighter, whose strong beliefs never wavered.
And promoter Bob Arum told the AP Saturday: 'He was the greatest fighter of all time but his boxing career is secondary to his contribution to the world.