Classic-winning jockey George Baker has been airlifted to hospital after a fall at St Moritz.Baker, who won the St Leger in September on Harbour Law, was riding Boomerang Bob for Jamie Osborne on the frozen lake track in Switzerland when the horse was brought down and was fatally injuredin the first race of the day. Three horses came down in the incident but the other two and both of their riders escaped injury.Backer was taken to a trauma hospital in Chur and the rest of the meeting was abandoned.St Moritz press officer Claudia Grasern-Woehrle said: "We've had a bad accident in the first race."The jockey George Baker was brought down. Unfortunately his horse died and the jockey has been airlifted to hospital."We checked the track following the incident and we have found a hole in it, which means we have had to cancel the rest of the meeting as safety comes first."