Refugee athlete Popole Misenga won his first-round match in the men's judo 90-kilogram division.

TV cameras caught Phelps with a serious game face before the semifinal swim as he stared in the direction of Le Clos, a moment Twitter users immediately flipped into memes.

Olympic officials have identified 43 candidates for a team of refugee athletes who will compete in the Summer Games in Rio de Janeiro in a "message of hope" for millions of refugees around the world.