Irish Laurels champion greyhound Clonbrien Hero has tested positive for cocaine

The Irish Laurels champion greyhound Clonbrien Hero has failed three drugs tests for benzoylecgonine, the main metabolite of cocaine, writes Stephen Barry.

The dog, trained by Graham Holland, tested positive for the prohibited substance on three occasions, June 24, July 1 and July 22, at Curraheen Park Greyhound Stadium in Cork