Horse racing disaster when jockey flies through barrier and breaks snake during race.

Top jockey Jason Collett was put down after he was sent flying from his mount when the fearsome horse crashed terrifyingly into the barriers during a race.

Top jockey Jason Collett has been put down after crashing into barriers and flying from his mount during a horse race in Australia.

Collett's Mount Growing Empire was easily beaten in the 2YO maiden plate at the Randwick Kensington track meeting on Wednesday. As Growing Empire approached the line receiving eventual winner Chateau Miraval on the line, the runner-up was beaten by the nose before turning menacingly towards the crowd.

After crossing the line, the frightened horse turned sharply along the track to the left-hand rail and attempted to jump the fence. The colt was sent tumbling from the horse before the zoster colt went over the barrier and fell onto the fallen jockey.

The rising empire fell as he tried to leave the track, his back leg making contact with Colette's leg. The horse luckily escaped injury from the heavy impact while Collett was put down from the rest of the race that day due to pain in her neck and left leg.

Photographers from the Australian Turf Club were also lucky to escape unscathed, when the horse fell over the barriers in front of them. After the race, the stewards met with the jockeys and representatives of the Australian Turf Club regarding the incident.

Concerns have been raised by ambulance teams about the slow response to injured jockeys, with Kensington not having an ambulance between the tracks which follows the field around the inside of the track, instead having two at different points on the course. Be strategically placed.

Commenting on the incident, Racing NSW Chief Steward Steve Railton said: "We are always on the lookout to improve race conditions. The response times in this instance prompted us to review the situation. This has highlighted accessibility issues.