The rest of the meeting was abandoned as the air ambulance arrived to take O’Sullivan to hospital, and it was later confirmed that he was being treated in the intensive care unit at Cork University Hospital, where he had remained since.
The Irish jockey Michael O’Sullivan has died as a result of the injuries he suffered in a fall at Thurles on 6 February, the Irish Horseracing Regulatory Board (IHRB) has announced.
The 24-year-old was riding Wee Charlie for trainer Gerard O’Leary and was one of three fallers at the final fence in the two-mile Racing Again February 20th Handicap Chase.