The Stewards have received a medical certificate advising that Jockey Keith M L Yeung, who was due to resume race riding at the Happy Valley race meeting on Sunday, 30 October 2016 following a careless riding suspension, has been ruled unfit to ride for an indefinite period due to a back complaint. A further release will be issued at the appropriate time in relation to Jockey Yeung’s fitness to be able to resume riding.