Setback Accounts For Oscar Flop Oscar Park was found to have broken a blood vessel when trailing home last behind Hills Of Aran over hurdles at Cheltenham on Tuesday.Trainer David Arbuthnot had last season's Pertemps Series Final winner scoped after the race when the problem was discovered.The nine-year-old is now likely to be schooled over fences with a view to going novice chasing over distances of about three miles.Arbuthnot said: 'I knew he hadn't given anywhere near his true running so I had him scoped at the racecourse and they found what he'd done.'We'll probably school Oscar Park over fences now, give him time and will probably go chasing now.'(C) PA Sport