 The five-time Olympic gold medalist Elaine Thompson-Hira says an injury problem means she's unable to defend her sprint titles at the Paris Olympics. The Jamaican star became the first woman to win back-to-back Olympic sprint doubles when she retained her 100 and 200 titles in Tokyo. BBC News. I'm Mubeen Azhar. Welcome to Outlook, the show that introduces you to amazing people and brings you extraordinary stories from around the world.