Glen Boss was taken to hospital after being injured when the Golden Slipper winner Crystal Lily collapsed and died after a jump-out at Flemington on Friday. The Matt Ellerton-Simon Zahra-trained mare was preparing for Friday week's Grp 1 Manikato Stakes at Moonee Valley and is believed to have suffered a heart attack. At 9.35am, there was no news on Boss's condition. He is believed to have a shoulder injury and first reports say he is unlikely to be riding on Saturday.

Glen Boss was taken to hospital after being injured when the Golden Slipper winner Crystal Lily collapsed and died after a jump-out at Flemington on Friday. The Matt Ellerton-Simon Zahra-trained mare was preparing for Friday week's Grp 1 Manikato Stakes at Moonee Valley and is believed to have suffered a heart attack. At 9.35am, there was no news on Boss's condition. He is believed to have a shoulder injury and first reports say he is unlikely to be riding on Saturday.