In the day's other controversy, Greek athlete Paraskevi Papachristou was expelled from the country's Olympic team for posting an offensive comment about African immigrants on Twitter.
"With so many Africans in Greece, the mosquitoes from the West Nile will at least be eating some homemade food," Papachristou said on Twitter.
The Hellenic Olympic Committee ruled Papachristou, a triple jumper, would be barred, saying, "She made a mistake but it was serious. It was unforgivable."
Papachristou apologized, calling the comment an "unfortunate and tasteless joke."
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