Doha: Simone Biles was rushed to hospital in Qatar with a kidney stone, just hours before the American superstar makes her bow at this year’s world championships on Saturday.

The 10-time world champion, who is making her return to frontline international competition in Doha, tweeted late on Friday night that she was is in hospital. “Nothing like a late night ER visit less than 24 hours before world championships,” she wrote. However, she added that the emergency would not keep her from competing on Saturday in the qualification rounds for the women’s team competition. She added: “This kidney stone can wait ... doing it for my team!”