Dun Doire Encounters Some Minor Problems Trainer Tony Martin has indicated that his Aintree Grand National fancy Dun Doire has encountered a few minor training difficulties. Martin, speaking at Naas today, reported "Dun Doire has had a few niggling training problems and is not himself at the moment." However he added "the problem will only hold him back for only two or three weeks and he should be back to himself then hopefully."
