The British Horse Racing Authority has confirmed that a further seven horses that have tested positive for banned steroids at the former stables of trainer Mahmood Al Zarooni.

The entire string of horses at the Godolphin-controlled operation were tested in the wake of Al Zarooni's eight-year ban for using banned anabolic steroids.

One of the new positive test results has been provided by 2012 St Ledger winner, Encke.