OLYMPIC FIRST

Kimia Alizadeh Zenoorin becomes the first Iranian woman to win an Olympic medal in the women's taekwondo contest. She earned a bronze medal after defeating Nikita Glasnovic of Sweden during the women's 57kg event.

LIGHTNING BOLT

Usain Bolt blew away the competition by finishing in first place during the men's 200-meter finals. 

BIG WIN FOR QIAN REN

Quian Ren, 15, from China wins a gold medal in the women's 10-meter platform diving contest.