Thousands attend Muhammad Ali's funeral service

It was a farewell fitting for "The Greatest."

Boxing legend Muhammad Ali's funeral procession and funeral service drew thousands to his hometown of Louisville, Kentucky.

Spectators began lining up early Friday morning to pay their respects to Ali.

Celebrities and dignitaries, along with family, friends and fans were present to offer Ali a final farewell at an emotional service Friday afternoon.

>>Who will be attending Ali's funeral?

>>Ali mourned around the world

Ali died Friday at the age of 74 after a long, public battle with Parkinson's disease.

>>What killed Ali?