Nijat Rahimov (L) of Kazakhstan celebrates with a member of the coaching staff after setting a new world record and winning the gold medal in the men's weightlifting 77-kilogram category.
U.S. swimmer Michael Phelps competes in the men's 200-meter individual medley semifinal.
Dmitry Balandin (L) wins gold for Kazakhstan in the 200-meter breaststroke, edging out the United States’ Josh Prenot for the victory. Russia’s Anton Chupkov (R) took the bronze.
Jerry Tuwai of Fiji (front) fights for the ball with Akira Ioane of New Zealand during a men's rugby sevens quarterfinal match. Top-ranked Fiji defeated New Zealand 12 to 7.