Melbourne Cup: Racing Victoria vows to 'leave no stone unturned' as it investigates Anthony Van Dyck's death

Racing Victoria has vowed to investigate why there has been a series of fatalities on Melbourne Cup day after Anthony Van Dyck was euthanased on Tuesday.

The English Derby winner went in to the Melbourne Cup as one of the favourites, but broke down at the top of the finishing straight at Flemington and was pulled up at the 350m mark.

The Aidan O'Brien-trained horse was put in veterinarians' care but was euthanased a short time after the race.

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