Rio 2016 Olympics: Day 10 as it happened

(CNN)On day 10 at Rio 2016, world champion Allyson Felix was dramatically denied gold in the 400-meter final by a diving Shaunae Miller, while record-holder David Rudisha successfully defended his Olympic title in the men's 800-meter final.

Monday's other highlights:
  • Russian boxer booed after winning gold medal (2206)
  • Hurdles star eliminated after false start, following rain delay (2148)
  • Italian wins cycling gold despite controversial crash (1821)
  • Slip costs teen gymnast Simone Biles in record bid (1621)
    Scroll down below for all the action -- and go to for full Rio coverage