The British Horseracing Authority (BHA) is now to assessment what might have led to the animals’ deaths, with one seemingly associated to “a sudden collapse”.
Musselburgh Racecourse basic supervisor Invoice Farnsworth mentioned: “Our ideas are with the house owners, trainers and secure employees of those horses.
“The bottom circumstances and climate at Musselburgh Racecourse on December three have been ideally suited for racing however, till we’ve some additional info, it might be incorrect to take a position as to the reason for these tragic incidents.
“We’ll work intently with the BHA and help their investigation to determine what occurred and to make sure that Musselburgh continues to undertake greatest follow for all individuals in racing.”
Having a number of deaths in a single day of racing has been described as “very uncommon” by the regulator.
It mentioned the fatality price in Britain over the previous few years has been decreased to round 0.2 p.c of all runners.
Inspectors are due on the racecourse within the coming days. Among the horses’ stays are additionally being despatched for autopsy examination to additional examine the causes of dying.
BHA spokesman Robin Mounsey added: “The incidents at Musselburgh have been extraordinarily distressing for everybody concerned within the sport, not least for the house owners of the horses and the trainers and secure employees who cared for them by way of their lives. As the game’s impartial regulator we clearly deal with points reminiscent of this very significantly. Work will now be undertaken to determine if there are any threat elements on the course or with the horses which may have contributed to those incidents.”
Kensukes Kingdom, the winner of the primary race, was put down after pulling up lame; Sierra Oscar incurred what proved to be a deadly leg harm; Leather-based Billy broke a leg on the bend within the bumper – a flat race run underneath the principles of leap racing for horses which haven’t beforehand run on the flat to get expertise; and Good Ruler died in direction of the top of a handicap hurdle.