Muhammad Ali dies, aged 74

Former world heavyweight boxing champion Muhammad Ali has been remembered as a great athlete and influential civil rights activist. He has died (sat) in hospital in the United States, aged 74. Ali suffered from Parkinson's disease, and had been receiving treatment -- reportedly for respiratory issues. Yin Wu looks back at his life.

Cassius Clay, who would come to be known as Muhammad Ali, in 1963. (AAP)