American Simone Biles has become the most decorated gymnast in World Championships history with two more golds today.

The 22-year-old has surpassed the overall medal record held by Vitaly Scherbo by winning on the balance beam - her 24th medal, 18 of them gold.

BBC sports reports Biles put in another sublime display to post a score of 15.066 and pick up her fourth gold of these championships.

She then produced a stunning 15.133 to beat compatriot Sunisa Lee, 16, and win another gold in the floor final.

BBC