Derby cleared to return to competitive action . The world of racing was stunned last year when news of Dettori 's misdemeanor became public and he vowed to `` rebuild his reputation '' in accepting his punishment . Longchamp Galop lift his suspension for cocaine use . Dettori gave a positive test at France last September . Will return to action at Epsom Jockey Frankie Dettori meeting last September .
Derby cleared to return to competitive action . Longchamp Galop lift his suspension for cocaine use . Dettori gave a positive test at France last September . Will return to action at Epsom Jockey Frankie Dettori meeting last September .