Rebecca Soni of the United States won the women's 200 meters breaststroke gold on Thursday, smashing the world record by half a second.
Soni, the defending Olympic champion, won in 2 minutes, 19.59 seconds.
Satomi Suzuki of Japan took the silver in 2:20.72, with Iuliia Efimova of Russia snatching the bronze in 2:20.92.
