Here’s What’s Happening:
- After Saturday’s first day of competition, Australia topped the medal tally with two gold and one bronze, with Hungary, the US, and China close behind.
- Swimming, gymnastics, and cycling are among the big sports taking place on Sunday.
- The 2016 Summer Games officially kicked off Friday with a colorful opening ceremony in Rio de Janeiro, Brazil, where 60,000 people inside Maracanã Stadium watched fireworks, the parade of nations, and a plea for global conservation.
- The Games were formally opened by Brazil’s Interim President Michel Temer and Brazilian marathoner Vanderlei Cordeiro de Lima, who lit the Olympic cauldron.
- The Olympics are happening amid concerns about the Zika virus, lodging, andsecurity, as well as the Russian athlete doping scandal.