3 positive doping tests being investigated from track worlds

MONACO — Three positive doping tests involving athletes not yet identified are being investigated in samples taken from the track and field world championships held in London this month.

The IAAF’s independent integrity unit says: “None of the adverse findings relate to medallists .”

The unit says details of the cases will be revealed “at relevant points of the disciplinary process.”

The three cases emerged from 1,513 blood and urine samples collected and analyzed during the competition period. It means less than 0.2 per cent of doping control samples were positive.