Kingston, a dressage horse ridden by U.S. equestrian Leslie Morse, was eliminated from the Rolex FEI World Cup Grand Prix today, after he became unsound at the beginning of his dressage test.

“I could tell in the first corner, he felt unbalanced and I knew he wasn’t right,” Morse said. “We respect the Ground Jury’s decision to ring the bell and we all agreed it was absolutely in the best interest of the horse, which is always the most important consideration.”

United States Equestrian Federation (USEF) dressage veterinarian Rick Mitchell, DVM, has had Kingston under his care since the horse arrived in Las Vegas on Monday, April 13.

“We need to further examine Kingston to determine the nature and extent of the injury,” Mitchell said. “Everyone is devastated for Leslie and the horse