• Great Britain's Olympic 800m finalist ran personal best to finish sixth• Semenya subject of debate over hyperandrogenic athletes A tearful Lynsey Sharp said the decision to overturn rules on testosterone suppression made competing against the women's Olympic 800m champion, Caster Semenya, and other hyperandrogenic athletes difficult. Related: Caster Semenya wins gold but faces more scrutiny as IAAF press case | Andy Bull