Racing at Thurles was abandoned shortly after 2pm on Thursday afternoon, February 6 after jockey Michael O'Sullivan sustained an injury in a final fence fall.
O’Sullivan had been riding Wee Charlie in the second race of the card for Gerard O’Leary when five horses fell at the last in the two-mile Racing Again February 20th Handicap Chase. Two other horses badly hampered and unseating their riders.
O'Sullivan was treated on the track and brought to hospital in Cork by air ambulance and racing was delayed for 90 minutes until the abandonment as medical staff waited for air support to bring the jockey to hospital.
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An IHRB statement on social media said: "Michael O'Sullivan was treated by the medical team on track at Thurles before the air ambulance arrived.
"Due to the ongoing medical situation at the time, the raceday stewards decided to abandon the remainder of the card.
"Michael was stabilised before being transferred by air ambulance to Cork University Hospital."
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