Three former US national team gymnasts detailed sexual abuse allegations against former national team doctor Lawrence Nassar in a report Sunday on CBS television's 60 Minutes.
Rio on Sunday closes a Paralympic Games that many feared would be a fiasco but which turned into a triumph, though marred in the final hours by the death of an Iranian cyclist.
Olympic boxing was at the centre of a judging controversy after Russian Evgeny Tishchenko added Rio heavyweight gold to his world and European titles on Monday at the expense of Kazakhstan's Vassiliy Levit.
Colorful Ecuadoran Carlos Mina resorted to the brutal street fighting of his troubled youth to scrap his way into the next round of the Rio Olympic boxing on Wednesday.
Swimming superstar Michael Phelps will launch his bid for more gold medal glory on Sunday as the second full day of competition at the 2016 Olympics sees 14 gold medals up for grabs.
Loud jeers erupted around the Maracana stadium as Brazil's interim president Michel Temer officially opened the Rio Olympics on Friday.
Surfing powerhouse Australia Thursday cheered the sport's inclusion at the 2020 Tokyo Olympics, with seven-time world champion Layne Beachley predicting the global exposure will "blow people's minds".
Kevin Durant scored 23 points and DeMarcus Cousins pulled down 15 rebounds as the United States cruised past Argentina 111-74 in their first tune-up for the Rio de Janeiro Olympics.
Boxing icon Muhammad Ali died on Friday, a family spokesman said in a statement.