Serena Williams, Naomi Osaka, WTA speak out as Chinese tennis star Peng Shuai remains missing

Tennis pros and politicians are demanding action against China as doubts continue to grow over the safety and well-being of missing world-class doubles champion Peng Shuai. Stars Naomi Osaka, Serena Williams, and Chris Evert are among those speaking out. The hashtag #whereispengshuai trended on Twitter this week.