![Danny O'Brien (left) and Mark Kavanagh leave VCAT last month after their training bans were overturned.](/web/20170413144055im_/http://www.smh.com.au/content/dam/images/g/v/0/8/d/a/image.related.landscape.460x307.gvk574.png/1492084546421.jpg)
Racing Victoria appeals against cobalt case collapse
Racing Victoria is seeking leave to mount a Supreme Court appeal after its cobalt doping case against top trainers Danny O'Brien and Mark Kavanagh collapsed at the Victorian Civil and Administrative Appeals Tribunal (VCAT) last month.