Welsh wins Rowsell gold in individual pursuit . Glasgow 's Commonwealth Games adds to golds at the London Olympics and world championships . 25-year-old Rowsell suffers from alopecia . Further success has followed in the team event , which now involves four-strong lineups , but Rowsell has backed that up with her solo efforts over three kilometer distance -- 12 laps of the indoor velodrome . Welsh athlete Rhys Williams ruled out after positive drugs test .
Welsh wins Rowsell gold in individual pursuit . Glasgow 's Commonwealth Games adds to golds at the London Olympics and world championships . 25-year-old Rowsell suffers from alopecia . Welsh athlete Rhys Williams ruled out after positive drugs test .