Update: Dunn is set for an extended period on the sidelines after scans revealed he has a fractured C6 vertebrae that may require surgery to stabilise.
Jockey Dwayne Dunn has been taken to hospital following a barrier incident at The Valley.
Dwayne Dunn has been transported to RM hospital for precautionary scans on his neck after he hit his head on the barrier stall.
Dunn was aboard Shot Of Irish in the fourth event on Saturday’s Moonee Valley card when the horse reared when the barriers opened hitting his head on the top of the stall.