Irish Olympian Cian O’Connor denies wrongdoing after horse’s positive test for controlled substance The Irish IndependentO’Connor loses GP win after positive test for Pegasus RTE.ieIrish Olympian denies wrongdoing after horse tests positive for banned substance The Irish SunCian O’Connor denies wrongdoing following horse’s positive doping test Irish MirrorCian O’Connor and Pegasus lose GP victory after horse’s positive test for controlled substance The 42