The Alcohol and Gaming Commission of Ontario has informed the Fort Erie Racetrack that a race on Monday's card is under review.
In that race, 6-5 favourite Princess O Denmark had a big lead at the top of the stretch but was beaten by three-quarters of a length at the wire.
Jockey Kirk Johnson had the horse sixth lengths ahead before the turn in the five-furlong turf race and straightening into the stretch, Princess O Denmark was about "70 yards" ahead of the field, according to track announcer Doug McPherson.
But Johnson didn't appear to ask the four-year-old filly to keep running, remaining high in the stirrups while twice looking over his right shoulder as if to keep on eye on the field.
By the time Johnson started asking Princess O Denmark at the 16th pole, primarily with hands and