Reigning Olympic champion shuttler Carolina Marin on Friday suffered a freak knee injury during training, leaving her doubtful for the Tokyo Games which begins in the Japanese capital on July 23. According to Spanish sports media Marca, the Rio 2016 Games women's singles champion felt knee discomfort during training.

As per the report, the doctors conducted a number of tests on Marin, after which they came to the conclusion that the champion shuttler suffered an anterior cruciate ligament injury on her left knee. Marin sounded positive after the setback and said in a statement on social media that she was "in the best hands". "Today I suffered some discomfort during training that caused me to stop training," she said in a statement.