Gordon Lord Byron’s intended participation at Royal Ascot is up the air after he returned a dirty scope following a disappointing run at the Curragh on Saturday.

Plans for Hidden Cyclone are on hold after the 10-year-old sustained a nasty gash on his leg in the Ryanair Chase at Cheltenham.

Gordon Lord Byron is unlikely to take up his engagement at Dundalk on Friday, with a flight to Hong Kong booked for midweek.

Record-breaking Hong Kong racehorse Silent Witness is set to step up in trip for the Champions Mile on May 14, where his rivals may include Mark Johnson’s Attraction.