Muhammad Ali, perhaps the world's greatest ever sporting legend, passed on Friday, aged 74. Ali had spent the previous few days hospital Phoenix, Arizona with breathing problems. His children flew Phoenix to join their father for his final days. Ali is thought to be the best boxer history. He was the world heavyweight champion three times. He is widely known his nickname – The Greatest. However, many people believe he was the greatest because what he did the boxing ring, not inside it. He was a civil rights hero and strong opponent the Vietnam War in the 1960s. He was an ambassador world peace and worked tirelessly for charities five decades after.
World leaders, sporting figures and celebrities have been paying tribute Ali. Boxing promoter Bob Arum said: "Ali transformed this country and impacted the world his spirit. His legacy will be part our history for all time." U.N. Secretary-General Ban Ki-moon praised Ali changing the world. He said Ali used his charm, wit and grace to fight a better world, "and used his platform to lift humanity". The daughter of Martin Luther King wrote: "You were a champion so many ways." Ali once said: "I would like to be remembered a man who won the heavyweight title three times, who was humorous and who treated everyone right… As a man…who tried to unite all humankind faith and love."