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