Floyd Mayweather has accused Conor McGregor of making racist comments during the media tour to promote their Las Vegas fight.
Former five-weight world champion Mayweather will face UFC lightweight title-holder McGregor in 12 rounds under boxing rules in August.
“He called black people monkeys,” said Mayweather, 40, in London on Friday.
In response to accusations of racism, McGregor has said that he is a “multicultural individual”.
The 29-year-old is alleged to have made racist comments during the third stop of the tour in New York on Thursday.
“He totally disrespected black women,” added Mayweather. “Then he spoke disrespectfully to my mother and he spoke disrespectfully to my daughter.”
Mayweather and McGregor have conducted a series of press conferences in recent days to promote their fight, with stops in Los Angeles and Toronto before the trips to New York and London.
McGregor has attracted criticism for a series of comments during those press conferences; the Irishman’s statement in New York that he was “half-black from the belly button down” led Mayweather to accuse him of “crossing the line”.
The American added on Friday: “I respect every country. Racism still exists.
“I’m not going to stoop that low and speak about his like or speak about his child. I’m glad that he just had a healthy child and he has a beautiful family.”
Responding to Mayweather at the New York press conference on Thursday, McGregor said: “I’m a multicultural individual and I don’t have any ill feelings towards anyone. I don’t even see colour.”
Source: world bbc