The late boxer's funeral is being held today in his hometown of Louisville.

How the two became close after "The Rumble in the Jungle."

Ali will be buried at the Cave Hill National Cemetery in Louisville.

A boy elicited smiles from onlookers as he followed Ali's funeral procession.

Funeral organizers reportedly removed him from the list of potential speakers.

A closer look at Islamic funerals and burial rights.

Muhammad Ali recently passed away at the age of 74.

Haunting photos of "the Greatest," taken weeks before his death.

The world-famous boxer died at the age of 74.

More than 2,500 stars are on Hollywood's sidewalks. Ali's was the exception.

Plans for "the Greatest" include a Muslim funeral and an interfaith service.

ABC's Matthew Dowd reflects on the lessons of Ali.

"When he could he always came back," one resident said.

The two shared genuine respect and affection.

Muhammad Ali reached out to Michael J. Fox in 2000 after the actor revealed that he too was battling the incurable neurological condition. The two formed a friendship.

"He’ll always be with me. In my heart, in my bones, in my mind."

Heavyweight champ Muhammad Ali, who charmed millions with his wit and confidence in the ring and inspired many more with his commitment to humanitarian causes has died.

Mike Tyson, Larry King, Naomi Campbell are among those remembering the boxer.

Flowers filled the outside of Muhammad Ali center.

Just a few months before his death, Muhammad Ali responded to Donald Trump’s proposal to ban Muslims from entering the United States if he were elected president.

Service will be led by an imam, will include clerics from multiple religions.

President Bill Clinton delivered a personal and reflective speech today, talking

Ali "belongs to the world -- but he only has one hometown," mayor said.

"Laila's number one priority is her father's well-being," her spokesperson said.

Three-time heavyweight champ Muhammad Ali charmed millions with his wit and confidence in the ring and inspired many more with his commitment to humanitarian causes.

A look some of the boxers Muhammad Ali fought throughout his career.

He is in fair condition.