The world reacts to Muhammad Ali's death


The self-proclaimed "Greatest of all time" Muhammad Ali died on Friday at the age of 74, leaving behind a legacy difficult to match. 

Ali's death sent the world into mourning, with the legendary boxer regarded as one of the best athletes to ever live. 

Social media tributes flowed for the icon, with sportspeople to movie stars, and astronauts to presidential candidates all tweeting about Ali's death. 

Former undisputed world heavyweight champion Mike Tyson said: "God came for his champion. So long great one."

Presidential candidate Donald Trump wrote: "Muhammad Ali is dead at 74! A truly great champion and a wonderful guy. He will be missed by all!"

Ali's former promoter Robert Arum posted: "A true great has left us. Muhammad Ali transformed this country and impacted the world with his spirit."

American astrophysicist Neil deGrasse Tyson said: "His may be the Greatest of 20th century American stories. Muhammad Ali, rest In peace 1942-2016"

Houston Texans defensive end J.J. Watt posted: "Greatest of All Time. Inspiration. Legend. Rest in Peace Champ."

Actor David Hasslehoff wrote: "Muhammad Ali was kind , gentle funny and always a gentleman to me and my family!!"

The official New York Cubs twitter account posted: "Rest in peace to an icon who always stood his ground, The Champ, Muhammad Ali."

Retired NASA astronaut Scott Kelly said: "He who is not courageous enough to take risks will accomplish nothing in life - Muhammad Ali"

United States women's national team forward Alex Morgan wrote: "Muhammad Ali was the first athlete I was truly inspired by. He was a true champion and forever a legend. RIP Muhammad Ali."

American television personality and journalist Ann Curry posted: "I just wish people would love everybody else the way that they love me. It would be a better world. -Muhammad Ali"

American documentary filmmaker Michael Moore said: "Ali- we will NEVER forget your courage, standing up to those in power. You gave up your title & your career rather than kill Vietnamese. RIP"