article_snippet: And the final day of Charles and Camilla tour saw the royal couple receive a warm message from boxing royalty.
article_snippet: Boxing legend Muhammad Ali paid tribute to the Prince as the Prince and Camilla arrived in the Prince home city of Louisville - describing the heir to the throne as 'the greatest'.
article_snippet: The sport star's words came in a letter - not in person - as The Prince of Wales was not well enough to join leading figures from the city at a cultural greeting for Prince Charles and Camilla.
article_snippet: But the presence of the three-time former world heavyweight boxing champion was still felt when a letter written by the three-time former world heavyweight boxing champion was read to The Prince of Wales.
article_snippet: Although boxing legend Muhammad Ali (pictured here in 2014) was too ill to attend, Charles  did send a heartfelt letter welcoming Charles and Camilla to Louisville .
highlights_snippet: A welcome letter from  boxing legend Ali is read out to the royal couple .
  