Serena Williams (Getty Images)
Rio de Janeiro - American tennis star Serena Williams told US presidential candidate Donald Trump to love not hate at the Olympics on Wednesday.
Republican candidate Trump has fuelled controversy with comments on Muslims, Mexicans and military veterans.
Williams, the world number one and defending Olympic champion, didn't directly criticise Trump.
But when asked to comment, the 34-year-old said: "I don't involve myself in politics but it's important for me to pass a message of love and unity across all nations.
"Being an African-American, I am sensitive to these things. We should pass a message of love."