An Australian three-time Olympic medallist show-jumper has been stood down after wearing a mankini to a competitive event. Shane Rose wore a bright orange variant of the skimpy item of swimwear for a fancy-dress event at Wallaby Hill some 100 kilometres south-west of Sydney in the eastern Australian state of New South Wales. Governing body Equestrian Australia confirmed that they had received a complaint and had stood Rose down while they reviewed the case. “Concerns were raised to Equestrian Australia and the Government sporting agencies regarding Shane Rose’s attire at a recent closed event …